The Importance of Water Water sustains all forms of life, including human life.
Water adjusts the body's temperature and assists in digestion.
It removes toxins from the body and also makes necessary body fluids. The chemical reactions that support life take place in a water medium, with water being an important reactant or product of these reactions. It can be said that the chemistry of life is water chemistry. For the body to function properly, it must be hydrated properly. Moreover, the qualities and properties of the water we drink can determine the quality of our health.