Dehydration is the condition in which the body loses more water (whether through sweating, urinating, or breathing) than it takes in. The fluid needs to be replaced, or the body may get dehydrated.
About 60% of an adult’s body is made of water, which may explain why water is crucial to every organ’s proper functioning. Water protects the tissues and joints, keeps the body’s temperature normal, and helps it get rid of wastes. When it needs more water, your body lets you know in several ways.