Keywords
heart,organ,cardiac,cardio,ventricle,atrium,aorta,atria,pulmonary artery,pulmonary vein,ivc,inferior vena cava,tricuspid valve,bicuspid valve,valve,His,cardiac electrical system,purkinje fibers,purkinje,Sinoatrial node ,atrioventricular node,bundle of his,purkinje fibres,his bundle,purkinje fibres,purkinje fibers