3x life size. Dissectible into 4 parts. Examine external anatomy of the heart, compare internal morphology of the left and right ventricles, and explore cardiac vascular structures using this oversized model. Sectioned anteriorly through the ventricles and auricles, cardiac valves and other structures are clearly identifiable. Includes a removable right atrium. Significant structures are numbered; key included. On molded base. Size, 24 x 25 x 28 cm.