title: Penetration of pollutants in the airways.
mesh_terms: D000336:Aerosols; D000393:Air Pollutants / Q000009:adverse effects; D001980:Bronchi / Q000502:physiology; D005740:Gases; D006801:Humans; D008168:Lung / Q000378:metabolism / Q000502:physiology*; D010947:Plants, Toxic; D011650:Pulmonary Alveoli / Q000502:physiology; D012137:Respiratory System / Q000503:physiopathology; D012906:Smoke; D014026:Nicotiana; D001335:Vehicle Emissions
chemical_list: D000336:Aerosols; D000393:Air Pollutants; D005740:Gases; D012906:Smoke; D001335:Vehicle Emissions