Search

Browse menu

More titles and copies may be available to you. Sign in to see the full collection.

Error loading page.
Try refreshing the page. If that doesn't work, there may be a network issue, and you can use our self test page to see what's preventing the page from loading.
Learn more about possible network issues or contact support for more help.

by 亢亮

ebook

水是生命不可缺少的物质，也是任何有机体和细胞成活的保证。人体的2／3是由水组成的，水是机体必不可少的营养素，机体任何一项机能的运行，都需要水的参与，这可以表现在机体所有的消化、吸收、循环及排泄机能以及水溶性维生素的利用方面。水同时也是维持体内正常体温所必须的。