Which type of muscle tissue is found only in a single organ of the body?

Choose the correct statement about a muscular tissue :

Which of the following types of muscle tissue is being described on the basis of the given statements?
$(i)$ These muscle fibres taper at both ends and do not show striations.
$(ii)$ The wall of internal organs such as the blood vessels,stomach,and intestine contain this type of muscle tissue.
$(iii)$ They are 'involuntary' as their function cannot be directly controlled.

The fibres of which of the following muscles are fusiform and do not show striations?

What is the structure of smooth muscle fibers found in the intestine?

Cardiac muscle is composed of