The human body is anywhere from 55% to 78% water depending on body size. A rule of thumb, 2/3 of body is consists of water, and it is the main component of human body. Did you know that your tissues and organs are mainly made up of water?
Drinking Water Helps Maintain the Balance of Body Fluids. Your body is composed of about 60% water. The functions of these bodily fluids include digestion, absorption, circulation, creation of saliva, transportation of nutrients, and maintenance of body temperature.