Question

. Why is reabsorption in kidney tubules called selective reabsorption

In short answer ​

Answer 1

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Selective reabsorption is the process whereby certain molecules (e.g. ions, glucose and amino acids), after being filtered out of the capillaries along with nitrogenous waste products (i.e. urea) and water in the glomerulus, are reabsorbed from the filtrate as they p@ss through the nephron.

Answer 2

Selective reabsorption: The glomerular filtrate entering the renal tubule contains many useful substances. Hence, as the filtrate passes down the tubule, water and other substances required by the body are reabsorbed. ... This entire process is called selective reabsorption.