what is cardiac cycle??
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The cardiac cycle is the performance of the heart from the ending of one heartbeat to the beginning of the next. The cardiac cycle comprises a complete relaxation and contraction of both atria and ventricles, and lasts approximately 0.8 seconds.
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The cardiac cycle is the performance of the human heart from the ending of one heartbeat to the beginning of the next. 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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