Capillary walls consist of:
A) multiple endothelial layers.
B) a thick layer of smooth muscle.
C) two or three epithelial layers.
D) a single endothelial layer.

Name: Capillary walls consist of: A) multiple endothelial layers. B) a thick layer of smooth muscle. C) two or three epithelial layers. D) a single endothelial layer.
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Question

Quizplus · Accepted Answer

Capillary walls are composed of a single layer of endothelial cells, which allows for efficient exchange of gases, nutrients, and waste between blood and tissues.

Capillary Walls Consist Of