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Respiratory system - Wikipedia The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants
Human respiratory system | Description, Parts, Function, Facts . . . Human respiratory system, the system in humans that takes up oxygen and expels carbon dioxide The major organs of the respiratory system include the nose, pharynx, larynx, trachea, bronchi, lungs, and diaphragm
13. 2 Structure and Function of the Respiratory System The organs of the respiratory system form a continuous system of passages, called the respiratory tract, through which air flows into and out of the body The respiratory tract has two major divisions: the upper respiratory tract and the lower respiratory tract