Multiple Choice
The figure below illustrates how the nephron in a human kidney aids in the removal of toxic by-products of protein metabolism and assists in the regulation of internal water and solute concentrations.
In the region of the nephron labeled "tubule," sodium is
A) leaving the tubule by diffusion.
B) being pumped out of the tubule by active transport.
C) moving out of the tubule through osmosis.
D) exiting the tubule via secretion.
Correct Answer:
Verified
Correct Answer:
Verified
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