Features:_x000D_ Made of environmentally friendly PVC, very safe to use._x000D_ It comes with a base for study more clearly._x000D_ It can be removed from base to provide close examination of all sides._x000D_ Removable section provides access to chambers, valves, and major vessels._x000D_ Life-size human heart model on base for use in for patient education or anatomical study._x000D_ _x000D_ Specifications:_x000D_ Material: Eco-friendly PVC_x000D_ Length: Approx. 21cm / 8.27inch_x000D_ Weight: Approx. 491g 1.Right atrium 2.Right auricle 3.Superior vena cava 4.Inferior vena cava 5.Right ventricle _x000D_ 6.Pulmonary trunk 7.Ascending aorta 8.Arch of the aorta 9.Brachiocephalic trunk 10.Common carotid artery _x000D_ 11.Subclavian artery 12.Arterial ligament 13.Descending aorta 14.Left auricle 15.Left ventricle _x000D_ 16.Right coronary _x000D_ artery 17.Anterior interventricular branch of left coronary artery 18.Circumflex branch _x000D_ of left coronary artery 19.Great cardiac vein _x000D_ 20.Middle cardiac vein 21.Small cardiac vein 22.Posterior interventricular branch of right coronary artery 23.Coronary sinus 24.Fossa ovalis _x000D_ 25.Opening of coronary sinus 26.Tricuspid valve 27.Pulmonary valve 28.Left atrium 29.Bicuspid valve (mitral valve) _x000D_ 30.Aortic valve 31.Left pulmonary artery 32.Left pulmonary vein 33.Right pulmonary artery 34.Right pulmonary vein _x000D_ _x000D_ Package Included:_x000D_ 1 x Heart Model_x000D_ _x000D_ 1 x Base _x000D_ 1 x Accessory_x000D_ _x000D_ _x000D_ Note:_x000D_ Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.