Question

why we need to drink 8 glass of water ​

Answer 1

Answer:

You need to be drinking enough water to stay optimally hydrated. Generally speaking, that means replacing the water you lose through breath, sweat, urine and feces.

Answer 2

We need to drink 8 glass of water to stay optimally hydrated. Generally speaking, that means replacing the water you lose through breath, sweat, urine and feces.

I hope it will help you