Question

The sequence of events which takes place during the completion of

one heart beat is called
​

Answer 1

Answer:

The cardiac cycle is defined as a sequence of alternating contraction and relaxation of the atria and ventricles in order to pump blood throughout the body. It starts at the beginning of one heartbeat and ends at the beginning of another.

I hope this help you

Answer 2

The cardiac cycle is the performance of the human heart from the beginning of one heartbeat to the beginning of the next.