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14歲心跳多少
14歲心跳多少
更新时间:2024-11-10 01:47:58

  14歲平均為每分鐘75次,正常變動範圍一般為每分鐘60-100次。

  心跳(heartbeat),顧名思義就是心髒的跳動。右心房收納全身的靜脈血,通過右心室從肺動脈泵出,此時肺動脈中流的是靜脈血,通過肺中的氣體交換,變成含氧豐富的動脈血,由肺靜脈送至左心房,再通過左心室的主動脈泵向全身各個組織器官以滿足其正常生理活動的需要。

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