title: [The protective mechanisms of the respiratory system against air pollution].
mesh_terms: D000397:Air Pollution; D001980:Bronchi / Q000502:physiology; D002923:Cilia / Q000502:physiology; D006801:Humans; D009093:Mucus / Q000378:metabolism; D011650:Pulmonary Alveoli / Q000502:physiology; D011653:Pulmonary Diffusing Capacity; D012119:Respiration; D012143:Respiratory Physiological Phenomena; D014692:Ventilation-Perfusion Ratio
vernacular_title: Hengityselimistön suojautuminen ilman epäpuhtauksia vastaan