Another substance the body needs is fiber. Fiber is a substance that helps move wastes through the body. Fiber is found in fruits, beans, vegetables, and whole wheat breads. Vitamins and minerals are needed for the body to work properly. Vitamins are substances used by the body for growth.
Some vitamins help prevent diseases.
Water is in every cell of your body. It is in your blood, sweat, tears, and saliva. Water is important for almost every process in your body. You should drink six to eight glasses of water every day.