Question

Why are ventricles thick walled?​

Answer 1

Answer:

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Explanation:

Their muscular walls are thicker than the atria because they have to pump blood out of the heart. ... This is because the left ventricle has to pump blood at a higher pressure so that it reaches all areas of the body (including the fingers and toes) but the right side only has to pump blood to the lungs.

Answer 2

Explanation:

Ventricles are thick walled because blood is pumped out of the heart at greater pressure from these chambers compared to the atria. ... This is due to the higher forces needed to pump blood through the systemic circuit compared to the pulmonary circuit.

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