Question

what is cardiac cycle

Answer 1

ventricles of heart contact to push out the blood to various parts if bide at the same the time ,the auricles relax to receive the blood brought in from various parts of the body

Answer 2

The cardiac cycle is the sequence of events that occurs when the heart beats. The cardiac cycle is the term used to describe the relaxation and contraction that occur as the heart works to pump blood through the body. Heart rate is a term used to describe the frequency of the cardiac cycle.