A functional syncytium of cardiac muscles cells means that they

Question

Quizplus · Accepted Answer

A functional syncytium means that the cardiac muscle cells work as a unit, both mechanically (contraction) and electrically (action potential propagation), allowing for efficient and coordinated contractions and relaxation of the heart. This is essential for proper cardiac function and blood flow. Choices A, B, and C do not fully encompass the definition of a functional syncytium, while choice D is incorrect as the cells are stimulated by the pacemaker cells in the SA and AV nodes.

A Functional Syncytium of Cardiac Muscles Cells Means That They