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Can anyone explain this to me!? ahhh watch

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    Today i was taught about the transportation of CO2 around the body by the blood and i'm so confused! I realise that it combines with water to produce carbonic acid and hydrogencarbonate which is transported in the plasma. Buuuttt, now im stuck! i don't understand how NaCl come into it and if someone could explain the whole process in simple terms, i would be very thankful ^^
    Btw, i'm studing Biology AS (:
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    Its called the chloride sift.
    CO2 +H2O --> H2CO3

    H2CO3 --> HCO3- and H+

    The HCO3- leaves the red blood cell in th elungs but the negative charge gets replaced by the chloride which keeps the charges balanced.
 
 
 
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