What does the ventricle do?
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Q:

What does the ventricle do?

A:

Quick Answer

The heart has two ventricles, which primarily pump blood to the entire body, explains Regina Bailey on About.com. These are the lower two chambers of the heart, and they are separated by a septum into the left and right ventricle.

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Full Answer

The heart consists of four chambers that are connected by heart valves, says Bailey. The two upper heart chambers are called atria. The atria obtain blood that returns to the heart from other parts of the body. Ventricles then pump blood from the heart to the body. They have thicker walls than atria as they require more force to pump blood. The left ventricle receives blood from the left atrium and pumps it to the aorta, which then distributes oxygen-rich blood to the body. The right ventricle gets blood from the right atrium and pumps it to the main pulmonary artery, which extends from the right ventricle and branches into the right and left pulmonary arteries. These arteries extend to the lungs. Oxygen-poor blood acquires oxygen and returns to the heart through the pulmonary veins.

According to Healthline, the main role of the right ventricle is to pump deoxygenated blood to the lungs. Deoxygenated blood passes through the tricuspid valve, as it flows into the right atrium. It then goes through the right ventricle, which pumps the blood via the pulmonary valve and the pulmonary artery and into the lungs.

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