在夏天炎热的天气里,有时即使不活动,坐在室内也会出汗,而一参加体育活动就更易大汗淋漓.诚然,夏天出汗是人体散热的重要途径,对体温调节有重要作用.但是,汗出多了,人体里水分丧失过多,就会引起口干舌燥,需要喝水补充,而且汗液的大量排出,还同时带走体内一些盐分,也需给以补充.在一些同学中间,存在着一些不符合卫生要求的喝水习 In summer hot weather, sometimes even if not active, sitting indoors will sweat, and participate in physical activity is even more sweating.It is clear that the summer sweat is an important way of human body heat, the body temperature regulation has an important role. However, excessive sweat, loss of water in the body too much, it will cause dry mouth, you need to drink plenty of water, and sweat a lot of discharge, but also take away some of the body of salt, also need to be supplemented in some students In the middle, there are some do not meet the health requirements of drinking water