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  • Which of the following is correct with respect to transport of carbon dioxide in human body ?Option: 1 at alveolar site pCO2 is low and le

Which of the following is correct with respect to transport of carbon dioxide in human body ?

Option: 1

at alveolar site pCO2 is low and leading to formation of H2CO3


Option: 2

Every 100 ml of blood deliver approximately 4 ml of O2 to the alveoli.


Option: 3

at alveolar site pCO2 is high and leading to formation of CO2 and O2


Option: 4

H2CO3 formed in blood plasma ionizes to form bicarbonates and hydrogen ions in the presence of enzyme carbonic anhydrase.


Answers (1)

best_answer

As we learnt ,

 

 

Function of Carbonic Anhydrase -

At the alveolar site

- wherein

At the alveolar site where p_{CO_{2}} is low, the reaction proceeds in the opposite direction leading to the formation of CO2 and H2O. Thus, CO2 trapped as bicarbonate at the tissue level and transported to the alveoli is released out as CO2. Every 100 ml of deoxygenated blood delivers approximately 4 ml of CO2 to the alveoli.

 

 

 

Posted by

jitender.kumar

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