Which one of the following is correct pairing of a body part with the kind of muscle tissue present in it ?

Options

A. Hear wall`to`Involuntary unstriated
B. Biceps of upper arm `to` Smooth muscle fibres
C. Abdominal wall`to`Smooth muscle
D. lris`to`involuntary smooth muscle

Answer

D

Explanation

Smooth muscles are plain, non-striated, involuntary or unstrioped muscles due to the 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 adn other accessory genitalia, etc.