Question

On a hot humid day, the amount of urine produced is less.Why??
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Answer 1

Answer:

During summer when the surrounding temperature is high, we lose water in the form of sweat, direct evaporation considerably. Hence kidneys retain water for maintaining fluidity of the blood and less urine is formed.

But during winter, the surrounding temperature will be very low. There will not be any sweating, no evaporation losses.

Hope it helps you...

@pari here...

Answer 2

Answer:

Hence kidneys retain water for maintaining fluidity of the blood and less urine is formed.