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正常人心跳是多少
更新时间: 2020-11-05 00:00:00  

正常人的心跳是60-100次/分,低于60次/分,称为心动过缓。

心跳(heartbeat)就是心脏的跳动。右心房收纳全身的静脉血,通过右心室从肺动脉泵出,此时肺动脉中流的是静脉血,通过肺中的气体交换,变成含氧丰富的动脉血,由肺静脉送至左心房,再通过左心室的主动脉泵向全身各个组织器官以满足其正常生理活动的需要。

关键词: 正常人 心跳 多少

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