why are thick muscular walls necessary in ventricles but not in auricles
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Thick muscular walls are necessary in ventricles because it is the ventricle which takes oxygenated blood from heart to other parts of the body or deoxygenated blood from the heart to the lungs. The pressure from which it is taken is extremely high.
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Answer:
The ventricles have thick muscular walls as they have to pump blood to the heart at a very high pressure. so they have thick walls to bear that pressure. While, the auricles have only to pump the blood to the ventricles which is a short distance than pumping blood all the way to the heart
please mark this as brainliest I am only 7th class
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