Consider what you'll want to live, and I mean simply survive. Food? Water? Air? Facebook? Naturally, I'll be emphasizing water with this section. Drinking water is essential to all living things; in most species, water may be the cause of up to 90 percent in their total weight. Water comprises as much as 60% in the adult human weight. In a report published inside Journal of Biological Chemistry, H.H. Mitchell discovered that the brain and heart are comprised of 73 percent water which the lungs are comprised of 83 percent water. In addition, skin contains 64 percent water, muscles and kidneys have 79 percent water, and in some cases bones contain 31 percent water. A specific level of water need to be consumed by people each and every day in order to live. It goes without saying this differs according upon an individual's age and gender, besides where they reside. In general, a grown-up man requires about 3 liters (3.2 quarts) of water daily, while a grown-up female requires