Water is a substance that plays an important role in the life of living beings. The human body even consists of 80% water. Water in the human body plays an important role in the formation of white blood cells that serve to strengthen the body's immune to avoid various diseases. Lack of water can cause the body to dehydrate and lower the immune system. In addition to humans, water is also needed by plants and animals. Water plays an important role in the cell respiration process of every living creature.