1、Clear Display: The model is a great teaching tool to demonstrate the respiratory system, showing learners the exact anatomy of the lungs. 2、Unique Design: Model has a detailed detachable heart, which can help students understand the relationship between various tissues and organs more clearly. 3、High Simulation: Bright color and rich appearance details of the respiratory lung teaching model will give you an excellent visual experience! 4、Teaching Tool: Lung function demonstration model is widely used in teaching and research in medicine, biology and other related fields as a teaching aid. 5、Professional Learning Model: Simple to operate and use, suitable for students, teachers, experts, parents, etc. to improve the learning effect. 1 x Respiratory System Model Item Type: Respiratory System ModelMaterial: PVCApplication: Widely used in families, laboratories, middle schools, universities, training institutions, nursing schools and so on