天气预报 > 教育 > 氦气对人体有害吗
氦气对人体有害吗
更新时间: 2021-02-19 08:35:23  

1、氦气属于惰性气体,是一种无色无味的气体,对人体没有直接的毒副作用,所以少量的吸入氦气不会对身体产生很大的危害。

2、但是如果吸入了大量的氦气后,人体内的氧气可能会被氦气所取代,从而造成缺氧,产生呼吸困难、胸闷、气短等症状。大量吸入氦气也会损伤肺组织,造成严重的肺部疾病。长期吸入氦气可能会导致脑部损伤,严重者甚至死亡。

关键词: 人体 有害

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