夏季进行训练,运动员会大量出汗,然而需要注意水和盐的补充。水是机体不可缺少的重要物质,水参与机体的构成,参与物质的新陈代谢过程,还对调节体温和保持腺体的正常分泌起重要作用。盐类对于维持水的平衡,维持渗透压和酸碱平衡起重要作用。例如人体内缺少氯化钠时,就会出现肌肉软弱无力、容易 Summer training, athletes sweat a lot, but need to pay attention to water and salt supplement. Water is an important and indispensable substance in the body. Water participates in the body’s constitution and participates in the metabolism of matter. It also plays an important role in regulating body temperature and maintaining the normal secretion of glands. Salt plays an important role in maintaining water balance, maintaining osmotic pressure and acid-base balance. For example, the lack of sodium chloride in the human body, there will be weak muscles, easy