From which embryonic germ layer is skeletal muscle derived?

Explain smooth muscle 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 specialised cells that make the muscular tissue are

The muscle is a specialised tissue which is originated from

Which of the following is an example of multiunit smooth muscles?