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水是生命之源,保持体内充足的水分,是人体生理系统健康运行的重要条件。水在人体内参与物质运输、体温调节,并且是维系生命过程中生化反应主要环境的不可或缺的要素。水是人体中含量最多的成分,成人体内含水量占体重60%(小儿占70%以上)。人的生命每时每刻都不能缺少水。
Water is the source of life, to maintain adequate body of water, the human physiological system is an important condition for the healthy operation. Water participates in the transport of matter, thermoregulation in the human body and is an indispensable element in maintaining the main environment for biochemical reactions during life. Water is the most abundant component of the human body, adult body water content of 60% of body weight (children accounted for more than 70%). Human life can not lack water at all times.