Which of the following statements wrongly represents the nature of smooth muscle? (1) These muscle have no striations (2) They are involuntary muscles (3) Communication among the cells is performed by intercalated discs (4) These muscles are present in the wall of blood vessels
(1)
(2)
(3)
(4)
Option (3) is incorrect because intercalated discs are found only in cardiac muscle tissue. Smooth muscle fibres are non-striated and involuntary in nature and are present in the wall of blood vessels, uterus, gall bladder, alimentary canal etc.
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