This is because the body to lose water and minerals dissolved in the water themselves. Therefore, in addition to we can get water from food, drinking water and the many glass per day.
This is because the body lose water and minerals dissolved in the water itself. So unless we can get water from various food but also drink a glass of water once a day.
However, due to the body loses water and minerals dissolved in the water. So unless we receive water from various foods, also need to drink water a day several glass.