part of part of channel for respiratory system respiratory airway An airway through which respiratory air passes in organisms. FMA:265130 This class generically groups trachea and analagous structures throughout metazoa. Consider renaming, as the term could be taken to mean lumen of tracheal system (e.g. in SNOMED). As a grouping class this is quite vague, as it is not clear where the airway begins and ends UBERON:0001005 airway airways uberon compound organ air in respiratory system