Question

A person can survive without food for several days but not without water, give reason
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Answer 1

Answer:

in our body there are about 79%of water

water is need for purify the blood from kidney.

Answer 2

The human body needs a lot of water to function correctly, and a person may only survive a few days without it. Many other factors, such as a person's activity levels and their environment, also play an essential role, so there is no reliable way to tell how quickly someone would die from dehydration.Thus water is very important for our body.