The cardiac cycle refers to the series of events that occur during one heartbeat. It involves the contraction (systole) and relaxation (diastole) of the heart’s chambers – the atria and ventricles. The cardiac cycle plays a pivotal role in maintaining blood circulation, ensuring that oxygen-rich blood is pumped to various parts of the body while deoxygenated blood returns to the lungs for oxygenation. Enroll now at Tutoroot.
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