Substance A is transported from the fluid of the renal tubule into the plasma of the peritubular capillary. Substance A is said to be __________.

Question

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When a substance moves from the fluid of the renal tubule back into the plasma of the peritubular capillary, it is undergoing the process of reabsorption. This is a key function of the kidneys, allowing them to reclaim water and essential solutes from the filtrate to be returned to the bloodstream.

Substance a Is Transported from the Fluid of the Renal