part_of part of part of channel for respiratory system respiratory airway uberon An airway through which respiratory air passes in organisms. UBERON:0001005 SCTID:361380005 airways 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 airway Wikipedia:Trachea FMA:265130 compound organ anatomical conduit air in respiratory system