Feature: 2. The inner structure of the right and left atria and the pulmonary arteries are shown in a transverse cut along the pulmonary artery. 3. A longitudinal oblique cut along the atrium shows the internal structure of the left and right ventricles. 4. The left and right ventricular wall of the model and the section along the pulse of the artery can be disassembled. 5. 2X Life size of the model. 49 parts indicate identification, suitable for teaching use. Specification:Condition: 100% Brand New Item Type: Heart Model Material: PVC 2X Life size of the model, showing the normal morphology of the heart, arteriovenous and valvular structure. Size: Approx. 17 x 13 x 28cm / 6.7 x 5.1 x 11.0in The inner structure of the right and left atria and the pulmonary arteries are shown in a transverse cut along the pulmonary artery. A longitudinal oblique cut along the atrium shows the internal structure of the left and right ventricles. The right atrium shows the left and right pulmonary static veins and the left atrioventricular orifice. The right ventricle showed the superior ventricular ridge, tricuspid valve, arterial conus, carpal cord, papillary muscle, column and pulmonary artery valve. The left ventricle shows the mitral valve, chordae tendineae, papillary muscle, column, and active valve.Atrial septum and interventricular septum. Increase the external shape of the heart and the associated vessels and branches.