Features: Human lung anatomy model shows the basic of throat heart lung system and the structures of trachea with subclavian artery, bronchial tree and vein, esophagus and pulmonary artery. The basic of lung model system can display valves and ventricles. This anatomical lung model is life size, perfect for throat heart lung diseases research and clinical settings. A professional anatomy teaching presentation model for medical lecture report, doctor office. Designed to replicate and show the real anatomical structure of human lung. Advanced computer colorful painting, various colors are for distinguish different positions. Realistic human organs structure, easy to observe and view. 7 Main Removable Parts and 51 numbered anatomy poarts. Made of durable PVC material, good durability, corrosion resistant, lightweight, and has high strength, not easy to fade and deform. Non-smelly, non toxic, reusable. Widely used for hospital, doctors office, anatomy classroom, advanced student and clinicians, laboratories, school medical presentation, and scientific reaserch institutes, educational purposes only. Specifications: Material: PVC Size: Approx. 26x40x12cm/10.23x15.74x4.72in Color: As Picture Shown Weight: Approx. 1000g Package Includes: 1 Piece Anatomical Lung Model note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!