Question

Define a cardiac cycle

Answer 1

The cardiac cycle is the sequence of events that occur when the heartbeats. The cycle has two main phases: diastole, when the heart ventricles are relaxed, and systole, when the ventricles contract. One cardiac cycle is defined as the contraction of the two atria followed by contraction of the two ventricles.

Answer 2

Heye dear bestie here is your answer

the cardaic cycle is the secquance of events that occur when the heart beats the cycle has two mine phases ; diastol when the heart ventrical are relaxed and systols when the ventrical contect one cardiac cycle is define as
the contraction of the two atria followed by contraction of the two vetricals


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