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水是构成身体的主要成分之一,而且具有重要的调节人体生理功能的作用,水是维持生命的重要物质基础。对人的生命而言,断水比断食的威胁更严重,例如,人如断食而只饮水时尚可生存数周;但如断水,则只能生存数日,一般断水5~10天即可危及生命。断食至所有体内脂肪和组织蛋白质耗尽50%时,才会死亡;而断水至失去全身水分10%就可能死亡。可见水对于生命的重要性。水是人体中含量最多的成分。总体水(体液总量)可因年龄、性别和体
Water is one of the main components of the body, and it plays an important role in regulating the physiological functions of the body. Water is an important material basis for life. For human life, water is more dangerous than eating. For example, people who eat fast and drink water can survive for several weeks. However, if water is cut off, they can only survive for a few days, while watering is usually 5-10 days . Death to all body fat and tissue protein depletion of 50%, will die; and dehydration to lose body water 10% may die. Shows the importance of water for life. Water is the most abundant component of the body. Total water (total fluid) may be due to age, gender and body