The human body contains water as your body weight of 75 suap. We might have to starve as many months, but no body can get dehydrated 3-7 days. That is why water is necessary and important to humans.
We have a body of water comprising 75 parts by weight. We may starve for a month, but the body does not get dehydrated 3-7 days. Thus, water is essential to humans.
The human body is water for the assembly 75 of body weight. People may be food for a month, but the body can not lack of water has 3-7 days. So water is necessary and important to human beings.