The Internal Layer of Tissue in the Heart is The

Question

The internal layer of tissue in the heart is the:
A)epicardium.
B)pericardium.
C)myocardium.
D)endocardium.

Accepted Answer

The endocardium is the innermost layer of tissue in the heart that lines the chambers and valves. The epicardium is the outermost layer, while the pericardium is the sac that surrounds and protects the heart. The myocardium is the middle layer of muscle tissue that actually contracts to pump blood.