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水是一种宏量营养素,在维持生命方面仅次于氧气,比食物更重要。人不吃食物可以存活数周甚至数月,但若没有水数日即会死亡。水除在机体组织器官间起着运输营养和排泄废物外。还有①参与代谢全过程;②调节体温;③维持血容量;④维持腺体正常分泌等生理功能。因水占婴幼儿体重的70％～80％,成人则为60％,所以婴幼儿对水比成人更显得重要。平时需特别注意及时给婴幼儿补充水分(主要是喝水)。以下就怎样给婴幼儿喝水谈几个问题。
Water is a macronutrient, second only to oxygen in the maintenance of life, more important than food. People who eat without food can survive for weeks or even months, but die without water for a few days. In addition to water in the body tissues and organs plays a role in transporting nutrients and excretion of waste outside. There are ① involved in the whole process of metabolism; ② regulate body temperature; ③ maintain blood volume; ④ maintain the normal secretion of glands and other physiological functions. Because water accounts for 70% to 80% of infants and young children, compared with 60% of adults, so infants and young children on water more important than adults. Usually need special attention to timely supplementation of infants and young children (mainly water). Here are some questions to infants and young children to talk about.