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一个人正常有多少斤血

更新时间: 2020-11-04 00:00:00     

正常人的总血量约占体重的8%左右,一个50公斤体重的人,约有血液4000毫升。真正参与循环的血量只占全身血液的70%~80%,其余的则贮存在肝、脾等“人体血库”内,当人体出现少量失血时,贮存在“人体血库”中的血液,便会立即释放出来,随时予以补充。

关键词: 个人 正常 多少

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