<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!--XBRL Document Created with XBRLMaster-->
<!--Version: 2.3.08-->
<!--Based on XBRL 2.1-->
<!--Date of creation: 03/28/2024-->
<!--Software architectural design and coding: A'c Dharmapremananda Avt.-->
<!--Copyright (c) 2024 I-NET Business Solutions, Inc. All Rights Reserved.-->
<schema xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:currency="http://xbrl.sec.gov/currency/2023" xmlns:us-gaap-att="http://fasb.org/us-gaap/attributes" xmlns:sic="http://xbrl.sec.gov/sic/2023" xmlns:exch="http://xbrl.sec.gov/exch/2023" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:naics="http://xbrl.sec.gov/naics/2023" xmlns:us-types="http://fasb.org/us-types/2023" xmlns:stpr="http://xbrl.sec.gov/stpr/2023" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:country="http://xbrl.sec.gov/country/2023" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:srt-types="http://fasb.org/srt-types/2023" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:srt-roles="http://fasb.org/srt-roles/2023" xmlns:dei="http://xbrl.sec.gov/dei/2023" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:srt="http://fasb.org/srt/2023" xmlns:us-gaap="http://fasb.org/us-gaap/2023" xmlns:tenx="http://tenx.com/20231231" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://tenx.com/20231231">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://tenx.com/role/Cover" id="Cover">
        <link:definition>000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/CondensedConsolidatedBalanceSheets" id="CondensedConsolidatedBalanceSheets">
        <link:definition>000002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/CondensedConsolidatedBalanceSheetsParenthetical" id="CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>000003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/CondensedConsolidatedStatementsOfOperations" id="CondensedConsolidatedStatementsOfOperations">
        <link:definition>000004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/ConsolidatedStatementsOfStockholdersEquity" id="ConsolidatedStatementsOfStockholdersEquity">
        <link:definition>000005 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/ConsolidatedStatementsOfCashFlows" id="ConsolidatedStatementsOfCashFlows">
        <link:definition>000006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/DescriptionOfBusiness" id="DescriptionOfBusiness">
        <link:definition>000007 - Disclosure - DESCRIPTION OF BUSINESS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/SummaryOfSignificantAccountingPolicies" id="SummaryOfSignificantAccountingPolicies">
        <link:definition>000008 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/BalanceSheetComponents" id="BalanceSheetComponents">
        <link:definition>000009 - Disclosure - BALANCE SHEET COMPONENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/NotePayable" id="NotePayable">
        <link:definition>000010 - Disclosure - NOTE PAYABLE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquity" id="StockholdersEquity">
        <link:definition>000011 - Disclosure - STOCKHOLDERS EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
        <link:definition>000012 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/BenefitPlan" id="BenefitPlan">
        <link:definition>000013 - Disclosure - BENEFIT PLAN</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/IncomeTaxes" id="IncomeTaxes">
        <link:definition>000014 - Disclosure - INCOME TAXES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/SubsequentEvents" id="SubsequentEvents">
        <link:definition>000015 - Disclosure - SUBSEQUENT EVENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/SummaryOfSignificantAccountingPoliciesPolicies" id="SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>000016 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/SummaryOfSignificantAccountingPoliciesTables" id="SummaryOfSignificantAccountingPoliciesTables">
        <link:definition>000017 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/BalanceSheetComponentsTables" id="BalanceSheetComponentsTables">
        <link:definition>000018 - Disclosure - BALANCE SHEET COMPONENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityTables" id="StockholdersEquityTables">
        <link:definition>000019 - Disclosure - STOCKHOLDERS EQUITY (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/DescriptionOfBusinessDetailsNarrative" id="DescriptionOfBusinessDetailsNarrative">
        <link:definition>000020 - Disclosure - DESCRIPTION OF BUSINESS (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/SummaryOfSignificantAccountingPoliciesDetails" id="SummaryOfSignificantAccountingPoliciesDetails">
        <link:definition>000021 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" id="SummaryOfSignificantAccountingPoliciesDetailsNarrative">
        <link:definition>000022 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/BalanceSheetComponentsDetails" id="BalanceSheetComponentsDetails">
        <link:definition>000023 - Disclosure - BALANCE SHEET COMPONENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/BalanceSheetComponentsDetailsNarrative" id="BalanceSheetComponentsDetailsNarrative">
        <link:definition>000024 - Disclosure - BALANCE SHEET COMPONENTS (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/NotePayableDetailsNarrative" id="NotePayableDetailsNarrative">
        <link:definition>000025 - Disclosure - NOTE PAYABLE (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails" id="StockholdersEquityDetails">
        <link:definition>000026 - Disclosure - STOCKHOLDERS EQUITY (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails1" id="StockholdersEquityDetails1">
        <link:definition>000027 - Disclosure - STOCKHOLDERS EQUITY (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails2" id="StockholdersEquityDetails2">
        <link:definition>000028 - Disclosure - STOCKHOLDERS EQUITY (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails3" id="StockholdersEquityDetails3">
        <link:definition>000029 - Disclosure - STOCKHOLDERS EQUITY (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails4" id="StockholdersEquityDetails4">
        <link:definition>000030 - Disclosure - STOCKHOLDERS EQUITY (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails5" id="StockholdersEquityDetails5">
        <link:definition>000031 - Disclosure - STOCKHOLDERS EQUITY (Details 5)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails6" id="StockholdersEquityDetails6">
        <link:definition>000032 - Disclosure - STOCKHOLDERS EQUITY (Details 6)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails7" id="StockholdersEquityDetails7">
        <link:definition>000033 - Disclosure - STOCKHOLDERS EQUITY (Details 7)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetails8" id="StockholdersEquityDetails8">
        <link:definition>000034 - Disclosure - STOCKHOLDERS EQUITY (Details 8)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/StockholdersEquityDetailsNarrative" id="StockholdersEquityDetailsNarrative">
        <link:definition>000035 - Disclosure - STOCKHOLDERS EQUITY (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/CommitmentsAndContingenciesDetails" id="CommitmentsAndContingenciesDetails">
        <link:definition>000036 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/CommitmentsAndContingenciesDetailsNarrative" id="CommitmentsAndContingenciesDetailsNarrative">
        <link:definition>000037 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/KBenefitPlanDetailsNarrative" id="KBenefitPlanDetailsNarrative">
        <link:definition>000038 - Disclosure - 401(k) BENEFIT PLAN (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/IncomeTaxesDetails" id="IncomeTaxesDetails">
        <link:definition>000039 - Disclosure - INCOME TAXES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/IncomeTaxesDetails1" id="IncomeTaxesDetails1">
        <link:definition>000040 - Disclosure - INCOME TAXES (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/IncomeTaxesDetailsNarrative" id="IncomeTaxesDetailsNarrative">
        <link:definition>000041 - Disclosure - INCOME TAXES (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://tenx.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
        <link:definition>000042 - Disclosure - SUBSEQUENT EVENTS (Details Narrative)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="tenx-20231231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="tenx-20231231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="tenx-20231231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="tenx-20231231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://xbrl.sec.gov/country/2023" schemaLocation="https://xbrl.sec.gov/country/2023/country-2023.xsd" />
  <import namespace="http://xbrl.sec.gov/currency/2023" schemaLocation="https://xbrl.sec.gov/currency/2023/currency-2023.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <import namespace="http://xbrl.sec.gov/exch/2023" schemaLocation="https://xbrl.sec.gov/exch/2023/exch-2023.xsd" />
  <import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <import namespace="http://xbrl.sec.gov/naics/2023" schemaLocation="https://xbrl.sec.gov/naics/2023/naics-2023.xsd" />
  <import namespace="http://xbrl.sec.gov/sic/2023" schemaLocation="https://xbrl.sec.gov/sic/2023/sic-2023.xsd" />
  <import namespace="http://fasb.org/srt-roles/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-roles-2023.xsd" />
  <import namespace="http://fasb.org/srt-types/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
  <import namespace="http://xbrl.sec.gov/stpr/2023" schemaLocation="https://xbrl.sec.gov/stpr/2023/stpr-2023.xsd" />
  <import namespace="http://fasb.org/us-roles/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd" />
  <import namespace="http://fasb.org/us-types/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-types-2023.xsd" />
  <import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd" />
  <import namespace="http://fasb.org/us-gaap/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd" />
  <element id="tenx_PreferredStockUndesignatedSharesAuthorized" name="PreferredStockUndesignatedSharesAuthorized" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_EarningsPerSharesBasicAndDiluted" name="EarningsPerSharesBasicAndDiluted" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted" name="WeightedAverageNumberOfSharesOutstandingBasicAndDiluted" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_PreFundedWarrantsAndWarrantsSoldNetOfOfferingCosts" name="PreFundedWarrantsAndWarrantsSoldNetOfOfferingCosts" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfPreFundedWarrantsShares" name="ExerciseOfPreFundedWarrantsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfPreFundedWarrantsAmount" name="ExerciseOfPreFundedWarrantsAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_CompensationOnOptionsIssued" name="CompensationOnOptionsIssued" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_NetIncomeLosses" name="NetIncomeLosses" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_PublicOfferingSaleOfCommonStockAndWarrantsShares" name="PublicOfferingSaleOfCommonStockAndWarrantsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_PublicOfferingSaleOfCommonStockAndWarrantsAmount" name="PublicOfferingSaleOfCommonStockAndWarrantsAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfPreFundedWarrantsForCashShares" name="ExerciseOfPreFundedWarrantsForCashShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfPreFundedWarrantsForCashAmount" name="ExerciseOfPreFundedWarrantsForCashAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfPreFundedWarrantsCashlessShares" name="ExerciseOfPreFundedWarrantsCashlessShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfPreFundedWarrantsCashlessAmount" name="ExerciseOfPreFundedWarrantsCashlessAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfWarrantsCashlessShares" name="ExerciseOfWarrantsCashlessShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExerciseOfWarrantsCashlessAmount" name="ExerciseOfWarrantsCashlessAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_StockSplitAndFractionalSharesIssuedShares" name="StockSplitAndFractionalSharesIssuedShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_StockSplitAndFractionalSharesIssuedAmount" name="StockSplitAndFractionalSharesIssuedAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_IssuanceAndVestingOfCompensatoryStockOptionsAndWarrants" name="IssuanceAndVestingOfCompensatoryStockOptionsAndWarrants" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ProceedsFromPaymentsOfPropertyPlantAndEquipment" name="ProceedsFromPaymentsOfPropertyPlantAndEquipment" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ProceedsFromIssuanceOfCommonStockAndWarrantsAndPreFundedWarrants" name="ProceedsFromIssuanceOfCommonStockAndWarrantsAndPreFundedWarrants" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_NonCashOperatingAdditionToPrepaidsForInsurancePremium" name="NonCashOperatingAdditionToPrepaidsForInsurancePremium" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_NonCashFinancingAdditionToNotesPayableForFinancingInsurancePremium" name="NonCashFinancingAdditionToNotesPayableForFinancingInsurancePremium" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ReverseStockSplitPolicyTextBlock" name="ReverseStockSplitPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_LiquidityAndCapitalResourcesPolicyTextBlock" name="LiquidityAndCapitalResourcesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_PreclinicalStudyAndClinicalAccrualspolicytaxtblock" name="PreclinicalStudyAndClinicalAccrualspolicytaxtblock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ScheduleOfWarrantsActivityTableTextBlock" name="ScheduleOfWarrantsActivityTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_VestBasedOptionOutstandingSummarizesTableTextBlock" name="VestBasedOptionOutstandingSummarizesTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ScheduleOfOptionsOutstandingTableTextBlock" name="ScheduleOfOptionsOutstandingTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_SummarizesSharesAvailableForGrantTableTextBlock" name="SummarizesSharesAvailableForGrantTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WorkingCapitalAmount" name="WorkingCapitalAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_CashResources" name="CashResources" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_OperatingLeaseLiabilityCurrent1" name="OperatingLeaseLiabilityCurrent1" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_AccountPayableInterestBearingInterestRate" name="AccountPayableInterestBearingInterestRate" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_DownpaymentOfNotesPayble" name="DownpaymentOfNotesPayble" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_NotePayableMonthlyInstallment" name="NotePayableMonthlyInstallment" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WarrantsAmendedAndRestated" name="WarrantsAmendedAndRestated" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WarrantsAmendedAndRestatedOne" name="WarrantsAmendedAndRestatedOne" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WarrantsExercised" name="WarrantsExercised" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WarrantsCanceled" name="WarrantsCanceled" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageExercisePriceIssued" name="WeightedAverageExercisePriceIssued" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageExercisePriceAmendedAndRestated" name="WeightedAverageExercisePriceAmendedAndRestated" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageExercisePriceAmendedAndRestatedOne" name="WeightedAverageExercisePriceAmendedAndRestatedOne" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageExercisePriceAmendedAndRestared" name="WeightedAverageExercisePriceAmendedAndRestared" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageExercisePricecanceled" name="WeightedAverageExercisePricecanceled" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExercisePriceOfOptionOutstanding" name="ExercisePriceOfOptionOutstanding" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingAggregateIntrinsicValue" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageRemainingContractualLifeYearsVested" name="WeightedAverageRemainingContractualLifeYearsVested" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WeightedAverageRemainingContractualLifeYearsVestedAndExpectedToVest" name="WeightedAverageRemainingContractualLifeYearsVestedAndExpectedToVest" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_OptionsGrantedSharesAvailableForGrantBeginning" name="OptionsGrantedSharesAvailableForGrantBeginning" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_SharesReservedUnderPlan" name="SharesReservedUnderPlan" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_SharesRolledOverPlan" name="SharesRolledOverPlan" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_OptionsGranted" name="OptionsGranted" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_OptionsCancelledForfeitedsharesavailableforcancelledorforfeited" name="OptionsCancelledForfeitedsharesavailableforcancelledorforfeited" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_OptionsGrantedSharesAvailableForGrantEnding" name="OptionsGrantedSharesAvailableForGrantEnding" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_AggregateIntrinsicValueofOptionOutstanding" name="AggregateIntrinsicValueofOptionOutstanding" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExercisePrice" name="ExercisePrice" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WarrantToPurchaseOfUnregisteredCommonStock" name="WarrantToPurchaseOfUnregisteredCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_GrossProceedsFormWarrant" name="GrossProceedsFormWarrant" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_AgentFeesDirectOfferingExpenses" name="AgentFeesDirectOfferingExpenses" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_FairValueAllocated" name="FairValueAllocated" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_PrefundedWarrantsFairValue" name="PrefundedWarrantsFairValue" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_StockIssuedDuringPeriodsShares" name="StockIssuedDuringPeriodsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_WarrantToPurchaseOfUnregisteredCommonStockValue" name="WarrantToPurchaseOfUnregisteredCommonStockValue" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_PreFundedWarrantsShareIssued" name="PreFundedWarrantsShareIssued" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_NumberOfSharesPreviouslyAuthorizedForIssuance" name="NumberOfSharesPreviouslyAuthorizedForIssuance" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_StockOptionsGrantedVestingPeriod" name="StockOptionsGrantedVestingPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_StockOptionsDescription" name="StockOptionsDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_EstimatedFairValueOfInducementStockOptionAwardGranted" name="EstimatedFairValueOfInducementStockOptionAwardGranted" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_DividendYield" name="DividendYield" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_OperatingLeaseLiabilitiesCurrent" name="OperatingLeaseLiabilitiesCurrent" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_AnnualLeaseTermMinimumDuration" name="AnnualLeaseTermMinimumDuration" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_AnnualLeaseTermMaximumDuration" name="AnnualLeaseTermMaximumDuration" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_GrantPaidToAuthorityOne" name="GrantPaidToAuthorityOne" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_GrantPaidToAuthority" name="GrantPaidToAuthority" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_NonRefundableUpFrontPayment" name="NonRefundableUpFrontPayment" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_NonRefundableCommercializationMilestonePayment" name="NonRefundableCommercializationMilestonePayment" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_AnnualBaseRentIncreased" name="AnnualBaseRentIncreased" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_PercentageOfAnnualIncreaseInRent" name="PercentageOfAnnualIncreaseInRent" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ContributionTermPeriod" name="ContributionTermPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_StockCompensation" name="StockCompensation" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_IncometaxreconciliationothernondeductibleincludingiprAndDExpense" name="IncometaxreconciliationothernondeductibleincludingiprAndDExpense" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ChangeInStateTaxRate" name="ChangeInStateTaxRate" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ExpirationOfNolCarryforward" name="ExpirationOfNolCarryforward" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_FederalAndStateNetOperatingLossAdjustments" name="FederalAndStateNetOperatingLossAdjustments" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_Capitals" name="Capitals" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_DescriptionOfIncomeTaxes" name="DescriptionOfIncomeTaxes" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_DecreaseInValuationAllowance" name="DecreaseInValuationAllowance" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_DescriptionForOperatingLossCarryforwards" name="DescriptionForOperatingLossCarryforwards" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_RemainingOperatingLossesCarryforward" name="RemainingOperatingLossesCarryforward" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_SaleOfCommonStockShares" name="SaleOfCommonStockShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_MinimumPublicSharesheld" name="MinimumPublicSharesheld" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_SharesDescription" name="SharesDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_CommonStockMinimumClosingPricePerShare" name="CommonStockMinimumClosingPricePerShare" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_ProductAmount" name="ProductAmount" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_MilestonePayments" name="MilestonePayments" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_AggregateMilestonesPayments" name="AggregateMilestonesPayments" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_IssuanceOfPreFundWarrant" name="IssuanceOfPreFundWarrant" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_CommonWarrantPreFundedWarrantPerSharePrice" name="CommonWarrantPreFundedWarrantPerSharePrice" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_EstimatedNetProceedsFromPublicOfferingAfterDeductionOfPlacementAgentFeesAndEstimatedOfferingExpensesPayable" name="EstimatedNetProceedsFromPublicOfferingAfterDeductionOfPlacementAgentFeesAndEstimatedOfferingExpensesPayable" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
  <element id="tenx_BenefitPlanabstract" name="BenefitPlanabstract" nillable="true" abstract="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
  <element name="OptionsToPurchaseCommonStockMember" id="tenx_OptionsToPurchaseCommonStockMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsToPurchaseCommonStockMember" id="tenx_WarrantsToPurchaseCommonStockMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PreFundedWarrantsToPurchaseCommonStockMember" id="tenx_PreFundedWarrantsToPurchaseCommonStockMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="CovertiblePreferredSharesOutstandingMember" id="tenx_CovertiblePreferredSharesOutstandingMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockOptionsOneNineNineNineMember" id="tenx_StockOptionsOneNineNineNineMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="IntraFiNetworkMember" id="tenx_IntraFiNetworkMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="FourZeroOnekRetirementSavingsPlanMember" id="tenx_FourZeroOnekRetirementSavingsPlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="ExercisePriceOneMember" id="tenx_ExercisePriceOneMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="ExercisePriceTwoMember" id="tenx_ExercisePriceTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="RothCapitalPartnersLlcMember" id="tenx_RothCapitalPartnersLlcMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="ExercisePriceThreeMember" id="tenx_ExercisePriceThreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="ExercisePriceFourMember" id="tenx_ExercisePriceFourMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockOptionsMember" id="tenx_StockOptionsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="GrantUnderTwoThousandTwentyTwoMember" id="tenx_GrantUnderTwoThousandTwentyTwoMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="GrantUnderTwoThousandsixteenMember" id="tenx_GrantUnderTwoThousandsixteenMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="SeriesAStockMember" id="tenx_SeriesAStockMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="FebuarytwothousandtwentythreeOfferingMember" id="tenx_FebuarytwothousandtwentythreeOfferingMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="FebuarytwothousandtwentythreeMember" id="tenx_FebuarytwothousandtwentythreeMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="MayTwoThousandTwentyTwoOfferingMember" id="tenx_MayTwoThousandTwentyTwoOfferingMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PreFundedWarrantsMember" id="tenx_PreFundedWarrantsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="TwoThousandSixteenPlanStockOptionsMember" id="tenx_TwoThousandSixteenPlanStockOptionsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="May2022WarrantsMember" id="tenx_May2022WarrantsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="InducementStockOptionsMember" id="tenx_InducementStockOptionsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="ChiefMedicalOfficerMember" id="tenx_ChiefMedicalOfficerMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="FirstInducementStockOptionsMember" id="tenx_FirstInducementStockOptionsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="SecondInducementStockOptionsMember" id="tenx_SecondInducementStockOptionsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="Amended1999StockPlanMember" id="tenx_Amended1999StockPlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="PlanStockOptions2022Member" id="tenx_PlanStockOptions2022Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StockIncentivePlan2016Member" id="tenx_StockIncentivePlan2016Member" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="SimdaxLicenseAgreementMember" id="tenx_SimdaxLicenseAgreementMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="WarrantsMember" id="tenx_WarrantsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="DomesticCountryMemberMember" id="tenx_DomesticCountryMemberMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="StateAndLocalJurisdictionMemberMember" id="tenx_StateAndLocalJurisdictionMemberMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="JulyTwoThousandTwentyOfferingMember" id="tenx_JulyTwoThousandTwentyOfferingMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="TwoThousandTwentyTwoStockIncentivePlanMember" id="tenx_TwoThousandTwentyTwoStockIncentivePlanMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="NinteenNinePlanStockOptionsMember" id="tenx_NinteenNinePlanStockOptionsMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
  <element name="FebruaryTwoThousandTwentyThreeOfferingMember" id="tenx_FebruaryTwoThousandTwentyThreeOfferingMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
</schema>
