Features: Human lung anatomy model shows the basic of thyroid, heart, lungs, respiratory system (The left lung is healthy, and the right lung is pathological). This anatomical lung model is life size, perfect for respiratory system and lung diseases research and clinical setting. 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 position. Realistic human organs structure, easy to observe and view. 5 Main Removable Part. Crafted with quality PVC material, good durability, lightweight, not easy to fade. Widely used for hospital, doctor office, anatomy classroom, advanced student and clinicians, laboratories, school medical presentation, and scientific reaserch institutes, educational purposes only Specifications: Material: PVC Color: As picture shown Size: Approximately. 16.5x13x20.5cm or 6.49x5.11x8.07in Weight: Approximately. 600g Note: 1.Please allow 0-1cm error due to manual measurement. make sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color Package includes: 1Piece Human Respiratory System Model Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.