human heart zoom with anatomy posterior view

anatomy aorta aortic artery atrial atrioventricular atrium auricle blood body brachiocephalic cardiac carotid cava cavity chordae circulatory diastolic dupp endocardium epicardium fibers heart human interventricular lubb muscle muscular myocardium nerves organ organs pericardium phase physiology pressure pulmonary purkinje relaxation semilunar septum skeleton systole tendineae tissue tricuspid valve vein vena ventricle ventricular vessels visceral