Each cardiac muscle cell is bound to its neighboring cells at sites called
A) intercalated discs.
B) myofibrils.
C) sarcomeres.
D) trabeculae.
E) fossa ovalis.

Question

Quizplus · Accepted Answer

Intercalated discs are specialized cell-to-cell junctions that connect cardiac muscle cells. They transmit electrical impulses between cells and allow for synchronized contraction of the heart.

Each Cardiac Muscle Cell Is Bound to Its Neighboring Cells