Cells responsible for generating the physical contraction of the heart muscle are the:
A) specialized pacemaker cells.
B) contractile cells.
C) Both are responsible.
D) None are responsible.

Question

Quizplus · Accepted Answer

The contractile cells are responsible for generating the physical contraction of the heart muscle, whereas specialized pacemaker cells are responsible for initiating and regulating the heartbeat.

Cells Responsible for Generating the Physical Contraction of the Heart