The muscle layer of the heart is the
A) epicardium.
B) myocardium.
C) endocardium.
D) visceral pericardium.
E) endothelium.

Question

Quizplus · Accepted Answer

The muscle layer of the heart is called the myocardium, which is the thick muscular layer responsible for the contraction of the heart. The epicardium is the outermost layer of the heart, the endocardium is the inner lining of the heart chambers, the visceral pericardium is the membrane that covers the heart, and the endothelium is the inner lining of blood vessels.

The Muscle Layer of the Heart Is the