NEW! This life size heart divides into front and back sections. Vessels are color-coded to indicate if they carry oxygenated or deoxygenated blood. Fitted with detachable/re-attachable bypass vessels for demonstrating single, double, and triple coronary bypass grafts as well as normal heart anatomy without bypasses. 33 numbers parts correspond to key card. Rests on a molded base, size: 4"x 4" x 6".