Excretory Products and their EliminationHard
Question
Reabsorption of useful substances back into the blood from the filtrate in a nephron occurs in
Options
A.Proximal convoluted tubule
B.Loop of Henle
C.Distal convoluted tubule
D.Collecting duct
Solution
-Nearly all of the essential nutrients, and 70-80 per cent of electrolytes and water are reabsorbed by this segment. PCT also helps to maintain the pH and ionic balance of the body fluids by selective secretion of hydrogen ions, ammonia and potassium ions into the filtrate and by absorption of HCO3– from it.
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