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1 vote
Medical professionals call them (blank) muscles because they line internal organs, such as the stomach and the walls of airways and blood vessels.

2 Answers

6 votes
Smooth muscles line the internal organs. :) hope this helps.
User Hajin
by
8.1k points
7 votes
Smooth muscles line the internal organsĀ 
User Anumi
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8.7k points
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