A life-size model in unbreakable material, finely colored to show all major anatomical detail. The diaphragm shows muscles, tendons, and openings for the major vessels and esophagus. The aorta shows the origins of five abdominal arteries. Three thoracic and three lumbar vertebrae are shown. The left lung is sectioned to expose the bronchioles, pulmonary arteries, and veins. The larynx is sectioned to show its detailed structure. The heart is bisectable to expose the atria and ventricles, and shows the superior and inferior vena cava, aorta, pulmonary artery, and the coronary sinus. Supplied on stand with key card. Dimensions: 16-1/8" x 9" x 7-1/2".