Class 7 Science MCQs – Certification Test 42

Blood Circulation MCQs (Question 42) – Study App & e-Book Download

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MCQ 42: The walls of left ventricle are thicker than the walls of right ventricle because:

it has to pump blood to the whole body
it has to pump the blood to lungs
blood reaches this ventricle in huge amount
blood reaches this ventricle with extra pressure

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