人体组织液通过皮肤蒸发,成年人一天要失去600毫升水分,这与汗腺活动有关,有人称之为“无感蒸发”。加上尿液、大便中的水份,肺部呼出的水气,一天人体排出的水份在2500毫升左右。人们每天平均从固态食物中可获得1000毫升水份,蛋白质、糖类和脂肪新陈代谢可供给300毫升代谢水。此外的1200毫升水分必须以液态食物和白开水、饮 Human tissue fluid evaporates through the skin, adults lose 600 ml of water a day, which is related to sweat gland activity, some people call it “no sense of evaporation.” Coupled with urine, water in the stool, breath exhaled from the lungs, one day the body discharges the water in about 2500 ml. On average, people get 1,000 milliliters of water per day from solid foods, and 300 milliliters of metabolized water is supplied by the metabolism of proteins, sugars and fats. In addition to 1200 ml of water must be liquid food and boiled water, drink