水是人体的重要组成成分,也是人体内含量最多的一种化学物质。正常情况下,肺、皮肤、尿均不断排出水份,同时连续不断地从体外摄取水份以维持水的平衡。当体内丢失10%水份时,很多正常生理功能受到影响,若体内丢失20%水份时,即无法维持生命。人绝食98 2002.7、8华夏星火 Water is an important component of the human body, but also the largest amount of a chemical in the human body. Under normal circumstances, the lungs, skin, urine are continuously discharged moisture, while continuous continuous intake of water from the outside in order to maintain the balance of water. When the body lost 10% of water, many of the normal physiological functions are affected, if the body lost 20% of water, that can not sustain life. People hunger strike 98 2002.7,8 Huaxia sparks