A) fibrous pericardium.
B) parietal pericardium.
C) visceral pericardium.
D) myocardium.
E) epicardium.

A) endocardium.
B) epicardium.
C) isocardium.
D) myocardium.
E) visocardium.

A) endocardium - covers the inner surfaces of the heart
B) myocardium - cardiac muscle
C) trabeculae carneae - interior walls of ventricles
D) pectinate muscles - muscles that close valves
E) chordae tendineae - connective tissue strings that connect to cusps of valves