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Mark the statement that is Incorrect for...

Mark the statement that is Incorrect for smooth muscles.

A

Irritability is shown by all smooth muscles except ciliary muscles

B

Hair root muscles and muscles on the large blood vessels are an example of multi-unit smooth muscles

C

Smooth muscles form the muscular component of the visceral organs such as blood vessels,urinary bladder, ciliary body etc.

D

Smooth muscles cells do not have the troponin tropomyosin mechanism of controlling contraction

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