Intercalated Discs and Pacemaker Cells are Characteristic of ________ Tissue

Question

Intercalated discs and pacemaker cells are characteristic of ________ tissue.
A) smooth muscle
B) cardiac muscle
C) skeletal muscle
D) all types of muscle
E) nerve

Accepted Answer

Intercalated discs and pacemaker cells are characteristic of cardiac muscle tissue. Smooth muscle and skeletal muscle do not have intercalated discs or pacemaker cells. Nerve tissue is a separate type of tissue altogether.