Multiple Choice
Hemoglobin
A) combines preferentially with O2 over any other substance
B) when combined with carbon dioxide, is known as carboxyhemoglobin
C) plays a critical role in determining the amount of O2 that is exchanged between alveoli and blood because it acts as a storage depot, removing dissolved O2 from the blood and keeping low by allowing net diffusion of O2 to continue until the hemoglobin is completely saturated
D) combines preferentially with O2 over any other substance, and when combined with carbon dioxide, is known as carboxyhemoglobin
E) all of these
Correct Answer:

Verified
Correct Answer:
Verified
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