Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display Arteries to head and arms ight p ry artery Right pulmonary veins Left pulmonary arte Superior vena cava Left pulmonary atrial septum Pulmonary trunk Left atrium Left(bicuspid) AV valve Right atrium Aortic semilunar valve Right AV (tricuspid) valve Left ventricle Papillary muscle Inferior vena cava Interventricular septum Chordae tendineae Myocardium Right ventricle Epicardium Pericardial fluid/space Pulmonary Pericardium semilunar valve3