Item Dimensions LxWxH 2.56 x 2.56 x 6.02 inches Item Weight 0.45Kilograms The model displays 32 hand numbered anatomical features, including the atria, auricles, ventricles, aorta, cardiac veins, and more. INCLUDES: 2 Part Deluxe Life Size Human Heart is a high quality anatomical representation of human heart anatomy. Painted Heart Model in vivid detail: students, teachers, doctors, artists and anatomy enthusiasts gain incredible visual insights on the intricate details of the human heart, including all 4 chambers and bicuspid valves. 2 Part Heart Model, Detachable from Display Stand 32 Numbered Anatomical Regions with Detailed Study Guide and Key Full Color Product Manual and Educational Guide. DETAILED STUDY & USER GUIDE: This heart model includes a detailed and colorful educational booklet, detailing all of the anatomical features present on the model. List of all 32 parts that are featured on the heart Heart "map" outlining where parts can be found on the spine such as the Aortic Arch, Pulmonary Valve, and Left Atrium.