major amount of water is selectively reabsorbed by the tubular part of the nephron in humans.wat r the factors on wich the amount of water reabsorbed depends ?

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Solution

The water is mostly reabsorbed in the descending loop of nephron of kidney. however variable amount of water is reabsorbed in collecting tubes that largely depends on the need of body to conserve water or to eliminate excess of water. Following are some factors on which the amount of water to be reabsorbed depend.

Intake water water

Amount of water that is lost either by perspiration or due to disease such as diarrhoea

Amount of anti diuretic hormone that is released from pituitary gland

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Q. Answer the question by selecting the appropriate option given below:

Assertion (A): In humans, a major amount of water is reabsorbed by the tubular part of the nephron.

Reason (R): Reabsorption of water depends on the dissolved waste to be excreted from the body.

[0.8 Mark]

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