The respiratory system is the set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body.
An example of respiratory system is the human's nasal passages, larynx, trachea, bronchial tubes and lungs.
the system of organs involved in the exchange of carbon dioxide and oxygen between an organism and its environment
The system of organs and structures, such as lungs in mammals and gills in fish, involved in the exchange of oxygen and carbon dioxide between an organism and its environment.
B. bronchial tubes
(plural respiratory systems)
- (anatomy) The system of organs serving for respiration.