[Anterior Surface of Heart]

[A-V Valves]

[Mitral Valve]

[Tricuspid Valve]

[Half-A-Heart]

[Left Ventricle (from above)]

[Half-A-Heart (mounted)]

[Heart Sectioned in Half]

[Heart in Chest]

[Diagram: Pericardial Sac]

[Diagram: Coronary Ateries (anterior)]

[Diagram: Conduction System]