Smooth muscle differs from both cardiac and skeletal muscle in that
A) it can act as a pacemaker for rhythmic contractions.
B) contractions of smooth muscle are not due to interactions between neighboring microfilaments.
C) neighboring cells are electrically connected by gap junctions.
D) neighboring cells are tightly coupled by intercalated discs.
E) the membranes of smooth muscle cells are depolarized by stretching.

Question

Quizplus · Accepted Answer

Smooth muscle cells can be depolarized by stretching, which is a unique feature not shared by cardiac or skeletal muscle.

Smooth Muscle Differs from Both Cardiac and Skeletal Muscle in That