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Q8   What is the effect of p CO_2  on oxygen transport?

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Breathing and exchange of gases chapter will tell you that pCO2 plays an important role in the transportation of oxygen. The low pCO2 and high pO2 favor the formation of oxyhaemoglobin take place at the alveolus. And at the tissues, the high pCO2 and low pO2 favor the dissociation of oxygen from oxyhaemoglobin. So, the affinity of haemoglobin for oxygen is enhanced by the decrease of pCO2 in blood. Therefore, oxygen is transported in the blood as oxyhaemoglobin and oxygen dissociate from it at the tissues.

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Priyanka Kumari

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