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水在人体中的作用十分重要:它是细胞构造不可缺少的物质:人体的许多生理活动,如消化、分泌、排泄等,一定要在有水的情况下才能进行;呼吸也要靠水,只有水把肺泡表皮湿润后,才能进行气体交换;水有运输作用,能运送养料、排出废物;水能调节体温,还能滑润肌体组织。在整个生命过程中,水川流不息地周循全身,随时携带着钾、钠、氯、镁、钙、磷等离子以及各种酶和激素交流于细胞内外与各组织器官之间,它是保证肌体健康不可缺少的物质
The role of water in the human body is very important: it is an indispensable material for cell structure. Many physiological activities of the human body, such as digestion, secretion and excretion, must be carried out in the presence of water. Breathing depends on water, Water to the alveolar epidermis moist, in order to carry out gas exchange; water transport, can transport nutrients, waste discharge; water can regulate body temperature, but also lubricate the body tissues. Throughout the course of life, the stream of water constantly circulates throughout the body, always carrying potassium, sodium, chlorine, magnesium, calcium, phosphorus, plasma and various enzymes and hormones exchange between the inside and outside the cells and tissues and organs, it is to ensure that the body health Indispensable material