This unique, five-part model shows the anatomy of the human heart in great detail with ventricles, atria, valves, veins, and the aorta. The atrium walls and front heart wall are removable. Additionally, this heart model depicts the upper section of the esophagus, the upper bronchi, and the ascending aorta. Model is two times a life-size heart. Comes on removable stand. 12-5/8 in. x 7 in. x 7 in.