11. Carefully study the diagram of the internal structure of human heart with labelling. Select the option which gives correct identification and main function and / or characteristic.
(i) - Valve - It prevents the backflow of blood from the atria to the ventricles.
(ii) Aorta - It is an artery carrying deoxygenated blood to all the body parts.
(iii) Vena cava - It is a vein carrying deoxygenated blood to the heart.
(iv) Ventricles - It has thin walls.
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Answers
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Answer:
(i) - Valve - It prevents the backflow of blood from the atria to the ventricles.
It is correct
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Answer:
(iii) Vena cava - It is a vein carrying deoxygenated blood to the heart.
Explanation:
(iii) Vena cava - It is a vein carrying deoxygenated blood to the heart.
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