External Nares (Nostrils) - Nasal Cavity - (Superior, Middle, Inferior) Nasal Concha - Pharynx - Nasopharyny - Oropharynx - Laryngopharynx - Vocal folds - Trachea - Primary bronchi (Right & Left) - Hilum (Secondary & Tertiary bronchi) - Bronchioles - Respiratory bronchioles - Alveolar ducts - Alveoli - Basement / respiratory membrane (containing "spiderwebbed" pulmonary capillaries)