In body building the role that water has to play can not be overemphasized. It is amazing that albeit the fact that water is very essential many body builders will ignore it. There is no living organism which can survive without water and that is just how important water is. The body functions and mechanisms of the human body depend solely on the availability of water. This is why the body weight of humans comprises mostly of water, which occupies about 40-60 percent the rest comprises mostly muscles.