What Happens During Countercurrent Exchange

question 89

Multiple Choice

What happens during countercurrent exchange?

• A)Steep concentration gradients are created.
• B)There is a transfer of heat or solute from fluids flowing in opposite directions.
• C)There is a transfer of heat or solute from fluids flowing in the same direction.
• D)Plasma is removed from blood, leaving only the solid red blood cells.
• E)Active transport moves solutes across a membrane via transport proteins.

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