water

• water is essential for life
• the human body is 50 to 75% water and its an important component of blood, digestive juices, urine and perspiration
• it is also contained in lean muscle, fat and bones
• as the body cannot store water, we need it daily to make up for losses from the lungs, skin, urine and stool
• the amount we need depends on our body size, metabolism, the climate we live in, the food we eat and our activity levels