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Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?

a) 

Biceps of upper arm-smooth muscle fibres

b) 

Abdominal wall-smooth muscle

c) 

Iris-Involuntary smooth  muscle

d) 

Heart wall-Involuntary unstriated muscle

Answers (1)

Involuntary smooth muscles are those muscles that are not under the control of our will and are without any striations (stripes). Iris has involuntary smooth muscle. Biceps of upper arm have  striated muscle fibres and abdominal wall has involuntary smooth muscles. Heart wall has involuntary striated muscle.

Posted by

Satyajeet Kumar

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