O Level Biology MCQs – Certification Test 15

Circulatory system MCQ (Question 15) – App & e-Book Download

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MCQ: 15

Pulmonary veins carry

red oxygenated blood
bluish red deoxygenated blood
deoxygenated blood from heart to the lungs
oxygenated blood from lungs to heart

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Circulatory system Entry Tests – O Level Biology App & e-Book MCQ

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Physical Environment and Water Test 27

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