Isabelmartin Isabelmartin
  • 11-02-2021
  • Geography
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Why cardiac cycle is a cycle?

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leafal
leafal leafal
  • 11-02-2021
The cardiac cycle is the performance of the human heart from the ending of one heartbeat to the beginning of the next heartbeat.It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, following a period of robust contraction and pumping of blood, dubbed systole.
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