Question

how is water helpful to our body

Answer 1

Your body uses water in all its cells, organs, and tissues to help regulate its temperature and maintain other bodily functions. Because your body loses water through breathing, sweating, and digestion, it's important to rehydrate by drinking fluids and eating foods that contain water.

Answer 2

water removes the waste materials present in the body by the process of excretion .
water increases the moisture content inside our body so that the body doesn't remain dry.
water enhances the functioning of kidney.
water reduces our thirst.
water is excreted in the form of urine , sweat from our body which ensures smooth functioning of the body.
so , by drinking more water , your body functions really well
water also reduces the chances of getting the excretory organ diseases like kidney stone etc..