It transports the chemical substances produced by the brain that carry its messages to different parts of the body. Water content in the body influences the functions of the various proteins and enzymes that are dissolved in it. Water helps maintain the moisture of the lining of the internal organs of the body. It maintains normal volume and consistency of fluids such as blood and lymph. It regulates body temperature.
Water is essential for regulating the normal structure and functions of the skin.
The body loses about four liters of water every day. It is therefore necessary to replenish this volume by drinking at least the equivalent amount of water every day. Inadequate intake of water can lead to dehydration. The quantity of water required for the body functions depends on several factors such as age, climate, season, physical activity, type of food consumed, amount of condiments and spices used for cooking, the water content in the food, salt intake, etc. Normally, our daily diet provides about two-thirds of the body's requirement of water.