What is the cumulative events that occur during one complete heartbeat referred to as?

The cumulative events that occur during one complete heartbeat are referred to as the cardiac cycle. This cycle includes the phases of diastole, where the heart muscles relax and fill with blood, and systole, where the heart muscles contract and pump blood out of the heart. The cycle ensures effective circulation of blood throughout the body, coordinating the timing of heart chamber contractions and valve openings.