What are the smallest blood vessels in the human body?
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1 Answer
Nov 27, 2017
Capillaries.
Explanation:
Capillaries are hollow tubular microscopic blood vessels 5 to 10 micrometres (µm) in diameter and having a wall one cell thick.
They are the smallest blood vessels in the human body. They form a network between the arterioles and venules, as seen below.
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