The middle layer of the heart is referred to as:
A) endocardium.
B) epicardium.
C) myocardium.
D) pericardium.

Question

Quizplus · Accepted Answer

The middle layer of the heart is called the myocardium. This layer is made up of cardiac muscle tissue and is responsible for the contraction of the heart. The endocardium is the inner lining of the heart, the epicardium is the outer layer of the heart, and the pericardium is the sac that surrounds and protects the heart.

The Middle Layer of the Heart Is Referred to As