Smooth muscles are

Which type of muscles show peristaltic movements in the gastrointestinal tract?

Identify the location and function of the following structures:
$(i)$ Intercalated discs
$(ii)$ Haemoglobin

Three types of muscles are given as $a, b$ and $c$. Identify the correct matching pair along with their location in the human body:
$a$: Skeletal muscle
$b$: Smooth muscle
$c$: Cardiac muscle

Unstriated muscles are found in:

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