Multiple Choice
The amount of O2 carried by hemoglobin depends on the PO2 in the blood. Hemoglobin in active muscles
A) becomes saturated with O2.
B) takes up only a small amount of O2.
C) readily unloads O2.
D) tends to decrease the PO2 in the muscle tissues.
E) is denatured.
Correct Answer:

Verified
Correct Answer:
Verified
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