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25 POINTS!!!! What are capillaries composed of? A. Endothelial cells of the tunica externa B. Endothelial cells of the tunica intima C. Smooth muscle cells of the tunica externa D. Smooth muscle cells
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3 votes
25 POINTS!!!!

What are capillaries composed of?

A. Endothelial cells of the tunica externa
B. Endothelial cells of the tunica intima
C. Smooth muscle cells of the tunica externa
D. Smooth muscle cells of the tunica intima

User PYA
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8.0k points

1 Answer

6 votes
Cant be C or D, so its B

User Neilos
by
7.2k points
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