Bas-relief model of the human heart for demonstration purpose. Weight 0.15 kg Size 42*66 cm Presented as follow: External appearance of human heart in front (A) and a longitudinal section of heart (B), and the following details of model structure: 1. Left atrium 2. Bicuspid (mitral) valve 3. Papillary muscles of left ventricle 4. Heart muscular layer 5. Left ventricle 6. Heart septum 7. Right ventricle 8. Papillary muscles of right ventricle 9. Tricuspid valve 10. Right atrium 11. Upper fistulal palpebra 12. Aorta 13. Heart semilunar valve 14. Pulmonary artery 15. Pulmonary veins 16. Postcava