Description _x000D_ _x000D_The lung model with diaphragmatic movement simulator is a highly effective tool for teaching students about the functioning of the human respiratory system.It provides a visual and hands-on representation of how the lungs work to facilitate breathing. _x000D_ _x000D_Features _x000D_ _x000D_-Color:As Shown _x000D_-Material:Plastic Rubber _x000D_-Size:19.00X11.00X11.00cm/7.47X4.32X4.32in _x000D_-This is a perfect teaching tool which will let the student learn the principle of human lung breathing. _x000D_-Good as educational toy, which can help your children recognize their body construction. _x000D_-Increase knowledge and develop students’ brains, and makes your children fall in love with hands-on. _x000D_-Provides a first-hand understanding of how the lungs work and how other structures contribute to lung function. _x000D_-Composed of two lung-like sacs, a rubber diaphragm, and a transparent casing that simulates the chest cavity.Packing list1 x lung breathing model