Water makes up 2/3 of the human body and is essential for all of us. The total amount of water in the body of the average adult is 37 liters. The human blood is made up of 83% water, human bones are 25% water and the human brain is 75% water. You need to drink at least 2 liters or 8 glasses of water each day to ensure that the body has all it needs to maintain good health. If you work out in the heat for more than 1 hour your fluid needs might be doubled or tripled that amount. Water is needed by every system in the body. Water flushes out toxin, assists in cell functioning and is a primary supporter of ear, nose and throat functioning(Why Is Water Important to Health Maintenance).
It is possible to live without food for several weeks but the body can only go 1 week without water. Water helps the body metabolize and store fat and water can suppress the appetite and helps the body. Water can quite possibly be the body’s most single important ingredient to weight loss. An increase in water intake can actually reduce fat deposits. The kidneys can’t function properly without enough water. When they do not work to capacity, some of their load is dumped onto the liver. One of the livers primary functions is to metabolize stored fat into usable energy. It will obviously metabolize less fat if it is not working at full capacity. Fat will remain stored in the body and weight loss stops. During weight loss the body has a lot more waste to get rid of, all the metabolized fat has to be shed. Water helps flush out that waste(Functions of Water in the Human Body).
Water also acts as a joint lubricant. Joints are made up of cartilage, synovial membranes, tendons, ligaments, burses and synovial fluid all of which require water to maintain health. It acts as a lubricant and cushion for your joints. In addition, it also protects the spinal cord(Why Is Water Important to Health Maintenance?).
Digestion starts with salvia which is water....