
中暑的原因 中暑是怎么引起的 有来医生
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正常人体在下丘脑体温调节中枢的控制下,产热和散热处于动态平衡,维持体温在37℃左右。当人在运动时,机体代谢加速,产热增加,人体借助于皮肤血管扩张、血流加速、汗腺分泌增加以及呼吸加快等,将体内产生的热量送达体表,通过辐射、传导、对流及蒸发等方式散热,以保持体温在正常范围内。中暑是由于人体受到高温或通风不良环境中热原的作用,体内能量难以通过辐射、传导、对流等方式散发,造成体内热量贮积,从而引起中暑。
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