Cardiac Muscle ________

Question

Cardiac muscle ________.
A) has more than one nuclei per cell
B) has gap junctions and intercalated discs
C) lacks striations
D) none of the above

Accepted Answer

Cardiac muscle has gap junctions and intercalated discs, which allow for rapid conduction of electrical signals between cells, coordinating the contraction of the entire heart. Cardiac muscle also typically has one nucleus per cell and striations. Therefore, choices A and C are incorrect.