Question #a1206

1 Answer
Dec 22, 2017

Proximal convoluted tubule.

Explanation:

#65-70%# of water from glomerual filtrate is reabsorbed in the proximal convoluted tubule. While #20%# of it is reabsorbed in the loop of henle. Collecting duct and distal convoluted tubules also act as sites for reabsorption of water but the amount of water reabsorbed in the is considerably less than PCT.

The reason is that maximum reabsorption of #NaCl# takes place in PCT. Hence by the rule "Water follows sodium", maximum amount of water is also reabsorbed in PCT or proximal convoluted tubule.

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