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正常人的血是多少克
更新时间: 2020-11-05 00:00:00  

正常人的血量约为4200-4800ml,人体的血液在正常情况下占体重的7%-8%。

当人体出现失血达到10%左右时,机体会把自身的组织间液提供给血液循环来保持血容量平衡,维持机体正常运转,不会出现异常。当失血量达到10%-20%时,人体会出现心率加快体、位性低血压等情况,需要补充液体来维持血液循环。

关键词: 正常人 多少

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