The ________ Covers the Outer Surface of the Heart

Question

The ________ covers the outer surface of the heart.
A) epicardium
B) myocardium
C) endocardium
D) parietal pericardium
E) mediastinum

Accepted Answer

The epicardium is the outermost layer of the heart and covers its surface. The myocardium is the middle layer, consisting of cardiac muscle cells. The endocardium is the innermost layer, lining the chambers of the heart and heart valves. The parietal pericardium is the outer layer of the sac that surrounds the heart, and the mediastinum is the space in the chest cavity between the lungs where the heart is located.