Which of the following does not apply to skeletal muscle? 

A. It is under voluntary control.
B. It has intercalated discs.
C. It is attached to bones.
D. It contracts rapidly.
E. It responds to acetylcholine.


B. It has intercalated discs.
Cardiac muscle, not skeletal muscle, has intercalated discs that allow the muscle fibers in each group to contract and relax together.

Health Professions

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