夏天天气炎热,温度回升,在炎热的环境中运动,体内产热增加,机体为了防止温度过度升高,通过出汗的方式进行散热,并通过相应的机制使尿量减少。然而大量出汗将导致体液和电解质的丢失,使体内正常的水平衡和电解质遭到破坏,引起不同程度的脱水。对学生来说,脱水不仅有碍于运 The hot summer weather, the temperature rise, exercise in hot environments, increased body heat, the body in order to prevent over-temperature, sweating through the way to heat, and through the appropriate mechanism to reduce urine output. However, a large amount of sweating will result in the loss of body fluids and electrolytes, causing the body’s normal water balance and electrolytes to be destroyed, causing varying degrees of dehydration. For students, dehydration not only hinders luck