VASCULAR
CAPILLARIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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These are one cell thick
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arteries
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capillaries
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veins
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None of the above
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Explanation:
Detailed explanation-1: -Answer. Capillaries are vessels that are one cell thick and are responsible for exchange of nutrients and waste between the blood and cells.
Detailed explanation-2: -The walls of capillaries are made up of a thin cell layer called endothelium that’s surrounded by another thin layer called a basement membrane.
Detailed explanation-3: -Capillaries are very thin, approximately 5 micrometers in diameter and composed of only two layers of cells. The inner layer is made up of endothelial cells with an outer layer of epithelial cells.
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