In Comparing All Three Major Muscle Types, Which One of the Following

Multiple Choice

In comparing all three major muscle types, which one of the following statements best describes the differences between them?

A) Cardiac muscle can be stimulated only by nerves, whereas smooth and skeletal muscle contract spontaneously.
B) Smooth and skeletal muscles appear striated, due to the arrangement of muscle filaments, whereas cardiac muscles lack these filaments.
C) Only cardiac muscle is under voluntary control.
D) Smooth and cardiac muscle do not fatigue, whereas skeletal does fatigue.
E) Gap junctions are present in skeletal muscles, but not in other types of muscle.