Single long cell called a fiber. Cylindrical in shape.

Branching chains of cells. Must contract in unison.

Single. Fusiform (tapering at both ends).

Multinucleated (more than one nucleus)

Voluntary muscle; by neurotransmitters released by the nervous system

Contracts very slowly, often rhythmic contractions called peristalsis.

Involuntary contractions, single nucleus, striations

Involuntary contractions, uninucleate found in the walls of hollow organs

Assists in moving body parts or substances in the body