What should you know about water

The human body as a machine that can not operate without water or metal, and can be performed by any member of the body functions without water .. but it is the cause of human survival in its vitality. Water represents 70% of the human body, and the ratio of the blood from the brain 80% and more than 75%, liver staggering 96%.
Energy levels in humans are affected by the water that you drink, has been medically proven that low Pencah fluid 5% from normal levels, causing loss of energy by 25-30%, while the descent to 15%, causing the death of man.