What would be the main limitation of a concurrent system, for gas exchange, in t

Question

What would be the main limitation of a concurrent system, for gas exchange, in the gills of fish?

A. It would maintain a gradient favorable for gas exchange along the entire length of a lamella.

B. It would not maintain a gradient favorable for gas exchange along the entire length of a lamella.

C. It would maintain a gradient favorable for gas exchange along the entire alveolar surface.

D. It would not maintain a gradient favorable for gas exchange along the entire alveolar surface.

E. It would not maintain a gradient favorable for hemolymph exchange along the entire lamellar surface.

Explanation / Answer

B. It would not maintain a gradient favorable for gas exchange along the entire length of a lamella.

If wrong, its probably D

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