Which cell junction allows cardiac muscle to contract as a unit?

A) gap
B) adhering
C) loose
D) tight
E) plasma

Cardiac Muscle

Cardiac muscle is a specialized type of involuntary striated muscle found exclusively in the heart, responsible for pumping blood throughout the body.

Cell Junction

Structure that connects a cell directly to another cell or to extracellular matrix. See tight junction, adhering junction, gap junction, plasmodesma.