ANIMAL PHYSIOLOGY
GAS EXCHANGE IN HUMANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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70%
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23%
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7%
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0%
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Detailed explanation-1: -Nearly 20-25% of carbon dioxide is transported by RBCs whereas 70% of it is carried as bicarbonate ions. About 7% of carbon dioxide is carried in a dissolved state through plasma. 10% of the carbon dioxide is carried in form of carbonic acid.
Detailed explanation-2: -Eighty-five percent of the carbon dioxide in blood is transported as carbonic acid, 10% is carried by hemoglobin as carbamate, and 5% is transported as either dissolved gas or carbonic acid.
Detailed explanation-3: -Approximately 75% of carbon dioxide is transport in the red blood cell and 25% in the plasma.
Detailed explanation-4: -About 20-25% of CO2 is transported by RBCs as carbamino-hemoglobin. Majority of CO2 (approximately 70%) is carried to the lungs as bicarbonate ions (HCO3–).
Detailed explanation-5: -Carbonic acid: The CO2 combines with water present in the plasma and forms carbonic acid. About 7% of CO2 is carried this way.