Intercalated discs are present in

The condition of low blood supply is found in which of the following?

Give differences: Non-striated muscle and striated muscle.

The given characteristics are observed in .......
$-$ They are located in the inner wall of the alimentary canal.
$-$ They do not show any striations.
$-$ They are non-striated and spindle-shaped.
$-$ They are involuntary and innervated by the autonomic nervous system.

Which germ layer forms the skeletal muscles in vertebrates?

Identify the following muscle types shown in the image.