Model Copd, is a chronic lung disease with severe narrowing of the airways, Dimensions: 15x11x8 cm, Even administering medication cannot fully cure this narrowing, normal condition, abnormal mucous secretion, thickening of the bronchial mucosa, permanent damage
Model Intestinal Diseases, Dimensions: 21x17x27 cm, shows the usual benign and malignant changes in the colon and rectum. These include diverticula, polyps, hemorrhoids, fistulae, fissures, chronic inflammatory diseases, as well as intestinal cancer