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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