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【任圃讲科普】人体失温的现象与正回馈的调节机制
相信大家都关注了前几天的新闻报道，某场马拉松比赛因突然遭遇天气剧烈变化，造成多名选手因失温而死亡或受伤。什么是失温？失温的对人体的伤害过程与回馈调节机制有什么联系？什么是正回馈和负回馈？为什么维持恒定（稳态）是重要的？
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