Most of the CO2 transported in the blood is
Correct Answer: In HCO3–
Description: The CO2 that diffuses into red blood cells is rapidly hydrated to H2CO3 because of the presence of carbonic anhydrase.
The H2CO3 dissociates to H+ and HCO3-, and the H+ is buffered, primarily by hemoglobin, while the HCO3- enters the plasma.
Category:
Physiology
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