【CLEAR DISPLAY】The model demonstrates a model of healthy lung versus pathological lungs ,By comparing designs ,designed to make you understand and learn more clearly, learning is more effective. 【HANDPAINTED】The model uses environmentally friendly medical PVC materials, color matching is computer color matching, and the advanced handpainting makes the model more realistic.It is the best aid for your in-depth study and research. 【A VARIETY OF SCOPE】It can be used not only as a learning tool for medical students, a teaching tool.It is also as a communication tool for doctors and patients.Enough to satisfy anyone interested in the human lung. 【TEACHING MODEL】Fine workman creates good item with clear shape with great detailing.So you can Lively explain the relevant knowledge to the students by the model,let students to quickly understand and master. 【APPLICABLE TO】In schools, hospitals and health education, the knowledge about the physical health of the visual aids can be imparted to deepen the understanding of the structure of the human lung.