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Answer:CARDIAC CYCLE IS THE CORRECT OPTION
Answer:CARDIAC CYCLE IS THE CORRECT OPTIONExplanation:
Answer:CARDIAC CYCLE IS THE CORRECT OPTIONExplanation:One complete sequence of filling and pumping blood is called a cardiac cycle, or heartbeat. Heartbeat is followed by systole (contraction) and diastole (relaxation). ... The whole sequence ofevents in the heartbeat is called cardiac cycle. The frequency of the cardiac cycle is described by the heart rate.
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