Water is considered as a necessary constituent of the diet.
Our human body is made of 70% water content. Almost all the organs in our body depend on water to function. It plays a specific role in the digestion and excretion process. It also maintains our body hydrated. All the process in our body is reliant on water. so water is a fundamental constituent of our diet. Water discharges by the means of urination, exudation, and expurgation. water perform an important function in sustaining the body temperature, transportation of nutrients and creation of saliva.