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头部出汗是为什么

更新时间: 2020-10-22 00:00:00     

因为过食辛辣刺激食物,如过度饮酒、过食辣椒、葱、姜、蒜等食物;过度喝入过热的食物、饮料等。出汗是生活上的适应现象。汗腺的分泌神经是交感神经。

出汗中枢随动物而异,有的在脊髓,有的在丘脑下部(温热性出汗)等。汗腺是胆碱能神经纤维。出汗是由外界温度升高而引起的,一般除手掌和足趾以外,全身其他皮肤都可出汗。通过出汗发散热量调节体温。夏天坐着工作,每天的发汗量约为300克。

关键词: 头部 为什么

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