<?xml version="1.0" encoding="UTF-8"?>
<model xmlns="http://www.cellml.org/cellml/2.0#" name="BG51">
  <units name="dim">
    <unit units="dimensionless"/>
  </units>
  <units name="per_s">
    <unit exponent="-1" units="second"/>
  </units>
  <units name="mol_per_s">
    <unit units="mole"/>
    <unit exponent="-1" units="second"/>
  </units>
  <units name="per_mol">
    <unit exponent="-1" units="mole"/>
  </units>
  <units name="per_mol2">
    <unit exponent="-2" units="mole"/>
  </units>
  <units name="C_per_mol">
    <unit units="coulomb"/>
    <unit exponent="-1" units="mole"/>
  </units>
  <units name="J_per_mol">
    <unit units="joule"/>
    <unit exponent="-1" units="mole"/>
  </units>
  <units name="J_per_C">
    <unit units="joule"/>
    <unit exponent="-1" units="coulomb"/>
  </units>
  <component name="main">
    <variable name="q_CO2_i" units="mole" initial_value="0"/>
    <variable name="q_CO2_o" units="mole" initial_value="1.1877"/>
    <variable name="v_CO2_m" units="mol_per_s" interface="public"/>
    <variable name="K_CO2_o" units="per_mol" initial_value="1e-8"/>
    <variable name="K_CO2_i" units="per_mol" initial_value="1e-8"/>
    <variable name="t" units="second"/>
    <variable name="Q_CO2_o" units="dim"/>
    <variable name="Q_CO2_i" units="dim"/>
    <variable name="v_CO2_max" units="mol_per_s" initial_value="3.734e+07"/>
    <variable name="gamma_CO2" units="dim" initial_value="6.366e-01"/>
    <math xmlns="http://www.w3.org/1998/Math/MathML" xmlns:cellml="http://www.cellml.org/cellml/2.0#">
      <apply>
        <eq/>
        <ci>Q_CO2_o</ci>
        <apply>
          <times/>
          <ci>K_CO2_o</ci>
          <ci>q_CO2_o</ci>
        </apply>
      </apply>
      <apply>
        <eq/>
        <ci>Q_CO2_i</ci>
        <apply>
          <times/>
          <ci>K_CO2_i</ci>
          <ci>q_CO2_i</ci>
        </apply>
      </apply>
      <apply>
        <eq/>
        <apply>
          <diff/>
          <bvar>
            <ci>t</ci>
          </bvar>
          <ci>q_CO2_i</ci>
        </apply>
        <cn cellml:units="mol_per_s">0.02</cn>
      </apply>
    </math>
    <math xmlns="http://www.w3.org/1998/Math/MathML" xmlns:cellml="http://www.cellml.org/cellml/2.0#">
      <apply>
        <eq/>
        <ci>v_CO2_m</ci>
        <apply>
          <divide/>
          <apply>
            <times/>
            <ci>v_CO2_max</ci>
            <apply>
              <minus/>
              <ci>Q_CO2_o</ci>
              <ci>Q_CO2_i</ci>
            </apply>
          </apply>
          <apply>
            <plus/>
            <apply>
              <divide/>
              <apply>
                <times/>
                <cn cellml:units="dim">2</cn>
                <ci>gamma_CO2</ci>
              </apply>
              <apply>
                <plus/>
                <cn cellml:units="dim">1</cn>
                <ci>gamma_CO2</ci>
              </apply>
            </apply>
            <ci>Q_CO2_o</ci>
            <ci>Q_CO2_i</ci>
            <apply>
              <times/>
              <apply>
                <divide/>
                <cn cellml:units="dim">2</cn>
                <apply>
                  <plus/>
                  <cn cellml:units="dim">1</cn>
                  <ci>gamma_CO2</ci>
                </apply>
              </apply>
              <ci>Q_CO2_o</ci>
              <ci>Q_CO2_i</ci>
            </apply>
          </apply>
        </apply>
      </apply>
    </math>
  </component>
</model>
