cardiac cycle

physiology

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In heart
This process is called the cardiac cycle. The period of relaxation is called diastole. The period of contraction is called systole. Diastole is the longer of the two phases so that the heart can rest between contractions. In general, the rate of heartbeat varies inversely with the size of the…
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In circulatory system: Fluid compartments
…heart is known as the cardiac cycle.
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In human cardiovascular system: Nervous control of the heart
The cardiac cycle is defined as the time from the end of one heart contraction to the end of the subsequent contraction and consists of a period of relaxation called diastole followed by a period of contraction called systole. During the entire cycle, pressure is maintained…
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