Multiple Choice
What creates a countercurrent multiplier rather than just a countercurrent exchanger?
A) Movement of fluids in close association in opposite directions.
B) Passive exchange of solutes across two tubes in close approximation.
C) Osmotic pressure differences in two tubes close together.
D) Active transport of solute out of one of the tubes.
Correct Answer:

Verified
Correct Answer:
Verified
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