HISTOLOGY
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which blood vessel has the thickest walls?
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vein
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artery
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capillary
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both veins and capillaries
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Explanation:
Detailed explanation-1: -The arteries are the thickest of all blood vessels and have muscular walls that contract to keep the blood moving away from the heart. The veins are not as muscular, but they contain valves to prevent the blood from flowing backward. The arteries are therefore widest blood vessels.
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