Mention the names of a and b in the given figure.

Cholesterol crystals, smooth muscle cells

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Fat, smooth muscle cells

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Lumen of vessel, ulcer

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Endothelium, fat

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Solution

The correct option is A Cholesterol crystals, smooth muscle cells
The given picture shows a blood vessel. The blood vessels are lined by a thin layer of smooth muscle cells whose function is to create a contraction in response to an external stimulus. Hence, in the given picture, B represents the smooth muscle cells and A represents the cholesterol crystals that are blocking the blood vessel.
So, the correct answer is A.

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