Multiple Choice
Due to the activity of carbonic anhydrase, within the lung there is a concentration gradient of _______ that is higher in the _______ than in the _______.
A) HCO3-; alveoli; plasma
B) HCO3-; alveoli; RBC
C) CO2; alveoli; RBC
D) CO2; RBC; alveoli
E) O2; alveoli; plasma
Correct Answer:

Verified
Correct Answer:
Verified
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