Multiple Choice
Examine the diagram above,and answer the following question(s) .
-In the above diagram,B represents which of the following structures?
A) large diameter blood vessels
B) capillary beds
C) the zone of diffusion of gases and nutrients
D) the heart
E) capillary beds and the zone of diffusion of gases and nutrients
Correct Answer:

Verified
Correct Answer:
Verified
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