Give the biological reason for the following statement: The left ventricle of the heart has a thicker wall than the right ventricle.
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Solution
The left ventricle of the heart has a thicker wall than the right ventricle because the left ventricle has to pump blood away from the heart and to all the body parts whereas the right ventricle only has to pump blood to the lungs. The high force is needed to pump blood through the systemic circuit than to the pulmonary circuit.