Component of Lung Epithelium ① Airway Epithelium including trachea(기관), bronchi(기관지), bronchiole(세기관지) Ciliated Cell: Move mucus and trapped particles out of the airways Goblet Cell: Produce and secrete mucus Basal Cell: Act as progenitor cells, differentiating into other types of airway epithelial cells Club (Clara) Cell: Secrete various substances, including surfactant components, detoxify har..