11th Class Biology Breathing and Exchange of gases (Animal Respiration)

  • question_answer 8)
    What is the effect of pCO2 on oxygen transport? 

    Answer:

    Partial pressure of CO2 (pCO2) can interfere the binding of oxygen with haemoglobin, i.e., to form oxyhaemoglobin. (i) In the alveoli, where there is high pO2 and low pCO2, less H+ concentration and low temperature., more formation of oxyhaemoglobin occur. (ii) In the tissues, where low pO2, high pC2O, high H+ concentration and high temperature exist, the conditions are responsible for dissociation of oxygen from the oxyhaemoglobin.  


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