In which of the following ways does cardiac muscle differ from skeletal muscle?

A. Cardiac muscle is striated and skeletal muscle is not.
B. Cardiac muscle surrounds hollow tubes; skeletal muscle attaches to skin.
C. Cardiac muscle cells are electrically connected; skeletal muscle cells are not.
D. Cardiac muscle is under voluntary control; skeletal muscle is under involuntary control.
E. A group of cardiac muscle cells forms an organ; a group of skeletal muscle cells forms a tissue.


C. Cardiac muscle cells are electrically connected; skeletal muscle cells are not.

Biology & Microbiology

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