existence ends during fully formed stage anatomical system respiratory system AAO:0000541 Atmungssystem BTO:0000203 CALOHA:TS-1319 EFO:0000804 EHDAA2:0001604 EHDAA:2203 EMAPA:16727 EV:0100036 FMA:7158 Functional system which consists of structures involved in respiration. GAID:78 MA:0000327 MAT:0000030 MESH:D012137 MIAA:0000030 NCIT:C12779 OpenCyc:Mx4rvVjzFJwpEbGdrcN5Y29ycA TAO:0000272 The anatomical system in which the exchange of oxygen and carbon dioxide between the organism and its environment.[AAO] There is no doubt that the primitive pattern of vertebrate air-breathing is the buccal pulse pump found in actinopterygian fishes.[well established][VHOG] UBERON:0001004 UMLS:C0035237 VHOG:0000202 XAO:0000117 ZFA:0000272 apparatus respiratorius apparatus respiratorius respiratory system systema respiratorium uberon digestive system renal system circulatory system nervous system gustatory system skeletal system musculoskeletal system exocrine system hematopoietic system integumental system entire sense organ system