Question

Cardiac muscle fibers 6. describe the structural and functional properties of cardiac muscle, and explain how it differs from skeletal muscle. role of gap junctions or intercalated discs.

Answer 1

Cardiac muscle are striated and branched; found only in the heart; involuntary; singulated (one cell receives a signal to contract, all neighboring cells are stimulated and contract together to produce a heart beat)

skeletal muscle contains nerve endings; is a voluntary muscle; striped/striated, multi-nucleated (has many nuclei); attached to the bones of the skeleton