Which one has the thickest wall?

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(D) The myocardium $(wall)$ of the left ventricle is approximately three times thicker than that of the right ventricle.This is because the ventricles

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Left ventricle

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(D) The myocardium $(wall)$ of the left ventricle is approximately three times thicker than that of the right ventricle.This is because the ventricles pump blood out of the heart with significant force.The right ventricle pumps blood to the lungs via the pulmonary artery,while the left ventricle pumps blood to the entire body via the aorta.Since the left ventricle must generate enough pressure to overcome systemic resistance and circulate blood throughout the entire body,it requires a much thicker muscular wall.

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