What is the cardiac cycle in the heart?

What is the cardiac cycle in the heart?
  1. The sequence of events in the heart which is cyclically repeated
  2. The amount of blood pumped by the ventricles per minute
  3. The relaxation of the heart
  4. The contraction of the heart

Solution

The cardiac cycle is formed by sequential events in the heart which is cyclically repeated, including contraction and relaxation of the heart.

Asked in: NCERT

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