A) Heart wall ? Involuntary un striated muscle
B) Biceps of upper arm ? Smooth muscle fibres
C) Abdominal wall ? Smooth muscle
D) Iris ? Involuntary smooth muscle
Correct Answer: D
Solution :
Smooth muscles are plain, non-striated, involuntary or unstriped muscles due to absence of striations. These occur in the walls of hollow internal organs, in capsules of lymph glands, spleen etc, in iris and ciliary body of eyes, skin dermis, penis and other accessory genitalia etc.You need to login to perform this action.
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