Explore The Lewis Clark Trail Healthylungs are light pink, while a smoker’s lungs appear dark and mottled due to inhaled tar. the texture of the two also differs, with damaged lungs being much harder and more brittle. photo. A smoker’s lungs. healthy lungs are light pink, while a smoker’s lungs appear dark and mottled due to inhaled tar. the texture of the two also differs, with damaged lungs being much harder and more brittle. photo: istock. chronic obstructive pulmonary disease (copd) is a type of obstructive lung disease where long-term airflow is poor. Apr 02, 2016 · figure 3. 4 comparison of the normal lung (n) and the smoker’s lung (s). photomicrographs show that the normal lung (n) alveolar spaces are clear. a small bronchus (b) has cartilage (c) in its wall. an healthy lung compared to smokers lung arteriole (a) is included. the smoker’s lung (s) contains deposits of black carbon pigment. common type of cancer, reason being that the lungs are mostly exposed to the environm...