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Breathing And Exchange Of Gases

Question
CBSEENBI11002391
Wired Faculty App

Bulk of carbon dioxide (CO2) released from body tissue into the blood is present as 

  • bicarbonate in blood plasma and RBCs

  • free CO2 in blood plasma

  • 70% carbamino - haemoglobin and 30% as bicarbonate

  • carbamino - haemoglobin in RBCs

Solution

A.

bicarbonate in blood plasma and RBCs

70-75% of CO2 is transported as sodium bicarbonate (NaHCO3) by plasma, and as potassium bicarbonate (KHCO3) by RBCs.

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