Multiple Choice
External respiration involves the
A) movement of air into and out of the lungs.
B) diffusion of gases between the interstitial fluid and the external environment.
C) exchange of dissolved gases between the cells and interstitial fluids.
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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