Which muscle type(s) contain(s) intercalated disks?
A) Smooth muscle only
B) Cardiac muscle only
C) Skeletal muscle only
D) Both smooth and cardiac muscle, but not skeletal muscle
E) Smooth, cardiac, and skeletal muscle

Question

Quizplus · Accepted Answer

Intercalated disks are found only in cardiac muscles, where they help in the synchronized contraction of the heart muscle fibers. Smooth muscles do not have intercalated disks, and skeletal muscles are composed of individual muscle fibers that are not connected by intercalated disks.

Which Muscle Type(s) Contain(s) Intercalated Disks