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

The ensheathing of muscles is called:

Which type of tissue is correctly matched with its location?
Tissue $-$ Location

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

In a vertebrate,which germ layer forms the skeletal muscles?

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