Cardiac muscle cells
A) do not contract by a sliding filament mechanism.
B) are similar to those of smooth muscle in being nonstriated.
C) have fewer mitochondria than skeletal muscle cells do.
D) possess numerous gap junctions on their sides, favoring rapid spread of excitation.
E) have intercalated disks with tight junctions at their branching ends.

Question

Quizplus · Accepted Answer

Cardiac muscle cells possess numerous gap junctions on their sides, favoring rapid spread of excitation.

Cardiac Muscle Cells