Question

Which kidney process ensures that essential compounds such as vitamins and amino acids are not lost through urination?

Answer 1

Reabsorbtion.

Answer 2

Filtration at the renal corpuscle is both effective and passive, but it has one major limitation: In addition to metabolic wastes and excess ions, compounds such as glucose, free fatty acids, amino acids, vitamins, and other solutes also enter the capsular space. These potentially useful materials are recaptured before filtrate leaves the kidneys; much of the reabsorption occurs in the proximal convoluted tubule.
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Answer 3

selective absorption :)

Answer 4

filtration maybe absorpsi