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 Lobule Lung With Pulmonary Alveoli-Sp, Representation Of The Alveolar Wall, Its Vessels, The Epithelial Cover And The Elastic And Muscular Elements, Separate Passage Of The Arterial And Venous Vessels Is Especially Shown In This Range Of Size