Why are the ventricles thick walled than the auricles cles?
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the ventricle wall is thicker as it needs to pump blood from the heart to other parts of the body (either the lungs, or other parts of the body, depending which side of the heart is concerned). its extra thickness is due to more cardiac muscle, giving a stronger force of contraction to allow the blood to pumped further, under higher pressure. little muscle is needed to force blood from the atria into the ventricles, so the atrial walls are relatively thin.
in a human heart, the right-hand side of the heart is smaller than the left as less muscle is needed for the pulmonary cycle (blood being pumped to the lungs from the right ventricle) as the blood does not need to travel as far and under such high pressure as it does when pumped all around the body from the left ventricle.
in a human heart, the right-hand side of the heart is smaller than the left as less muscle is needed for the pulmonary cycle (blood being pumped to the lungs from the right ventricle) as the blood does not need to travel as far and under such high pressure as it does when pumped all around the body from the left ventricle.
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because on ventricle blood flow on a high pressure and on auricles blood flow on comparatively low as compared to ventricles
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