One Difference Between Cardiac Muscle Fibers and Skeletal Muscle Fibers

Multiple Choice

One difference between cardiac muscle fibers and skeletal muscle fibers is that cardiac muscle fibers

A) have several nuclei, while skeletal muscle fibers do not.
B) are not striated, while skeletal muscle fibers are.
C) are under voluntary control, while skeletal muscle fibers are not.
D) branch and form complex networks, while skeletal muscle fibers do not.
E) are cylindrical-shaped, while skeletal muscle fibers are spindle-shaped.