MEDICAL
GALLBLADDER AND EXCRETORY SYSTEM OF THE LIVER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A ____ is a tiny blood vessel that connects arteries and veins.
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vein
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capillary
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artery
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None of the above
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Explanation:
Detailed explanation-1: -Capillaries, the smallest blood vessels, connect arteries and veins.
Detailed explanation-2: -Arterioles, small blood vessels that carry blood away from your heart, are connectors between your arteries and capillaries.
Detailed explanation-3: -Capillaries are the smallest blood vessels in the body. How small are they? About ten of them equal the thickness of one human hair, and most are so small that only one blood cell can pass through them at a time.
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