Multiple Choice
External respiration involves the
A) movement of air into and out of the lungs.
B) diffusion of gases between the alveoli and the circulating blood.
C) exchange of dissolved gases between the blood and the interstitial fluid.
D) binding of oxygen by hemoglobin.
E) utilization of oxygen by tissues to support metabolism.
Correct Answer:
Verified
Correct Answer:
Verified
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