Which ventricle pumps oxygenated blood to the systemic circulation?

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Multiple Choice

Which ventricle pumps oxygenated blood to the systemic circulation?

Explanation:
Pumping oxygenated blood to the body is the job of the left ventricle. It receives oxygen-rich blood from the left atrium and, with a powerful contraction, pushes it into the aorta so it can reach all tissues through the systemic circulation. The left ventricle has a thicker muscular wall to generate the high pressures needed to overcome systemic resistance. In contrast, the right ventricle sends the blood to the lungs for oxygenation via the pulmonary artery and operates at lower pressure. The atria serve as receiving chambers: the left atrium collects oxygenated blood from the lungs, while the right atrium collects deoxygenated blood from the rest of the body.

Pumping oxygenated blood to the body is the job of the left ventricle. It receives oxygen-rich blood from the left atrium and, with a powerful contraction, pushes it into the aorta so it can reach all tissues through the systemic circulation. The left ventricle has a thicker muscular wall to generate the high pressures needed to overcome systemic resistance. In contrast, the right ventricle sends the blood to the lungs for oxygenation via the pulmonary artery and operates at lower pressure. The atria serve as receiving chambers: the left atrium collects oxygenated blood from the lungs, while the right atrium collects deoxygenated blood from the rest of the body.

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