How much water does a healthy adult have, and how much does it cost on average every day?

Water accounts for about 70% of the human body. Men have more water than women, young people have more water than old people, and the water content of newborns is about 70%~75%. In human tissues, the content of water is also different: the water distributed in bones and cartilage accounts for about10% of total bones; The moisture in fat accounts for about 20% ~ 35% of the total fat; The distribution of water in muscle has reached about 70% of the total muscle; In the blood plasma, except for 6%~8% of plasma protein, 0. 1% of glucose and 0.9% of inorganic salt, all the other components are water, accounting for about 9 1%~92% of the total plasma. Average daily water consumption of human body (through respiratory tract, urine and skin, etc. ) It's about 2500 ml. In addition to 300 ml of raw water that can be metabolized and oxidized by substances in the body, at least 2200 ml should be supplemented from the diet every day to achieve balance. Drinking water accounts for 50%, food accounts for 40%, and nutrients in the body are decomposed and reabsorbed 10%