Perfect for: school teaching, learning, research display tools and lab decorations. With different colours: to distinguish different specific locations, with unique colours to identify the parts of the respiratory system, the anatomy is very standard, so that you can study and research accurately and effectively, thus improving the efficiency of learning. Handmade: made of high quality environmentally friendly PVC, it shows the structure of the human respiratory system almost realistically. As the overall colour of the model: meet your love for this study model, so you can practice happily. It is a rare tool for your in-depth study and research. The human anatomy​ model, excellent to display, easy for teaching, you can explain the human anatomical structure easily, let can identify knowledge.