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Heart Beat and Blood Flow

Heartbeat

Almost everybody has detected the important or recorded sound of a heartbeat. once your heart beats, it makes a "lub-DUB" sound. Between the time you hear "lub" and "DUB," blood is pumped up through your heart and cardiovascular system.

A heartbeat could appear sort of a easy, perennial event. However, it is a advanced series of terribly precise and coordinated events. These events happen within and around your heart.

Each side of your heart uses associate water valve to assist move blood between the atrium and ventricle. The atrioventricular valve will this between the correct atrium and ventricle. The left atrioventricular valve will this between the left atrium of the heart and ventricle. The "lub" is that the sound of the angulate and mitral valves closing.

Each of your heart's ventricles additionally has associate outlet valve. the correct ventricle uses the semilunar valve to assist move blood into the pulmonic arteries. The ventricle uses the semilunar valve to try and do identical for the arteria. The "DUB" is that the sound of the arterial blood vessel and pulmonic valves closing.

Each heartbeat has 2 basic parts: heartbeat (di-AS-toe-lee) and heartbeat (SIS-toe-lee).

During heartbeat, the atria and ventricles of your heart relax and start to fill with blood. At the tip of heartbeat, your heart's atria contract (atrial systole) and pump blood into the ventricles.

The atria then begin to relax. Next, your heart's ventricles contract (ventricular systole) and pump blood out of your heart.

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