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ahenrique-Respirator
"Respiratory" Terms and Definitions
Term | Definition |
---|---|
pharynx | the junction in the throat of the alimentary canal and the trachea |
epiglottis | flap of tissue that covers the trachea during swallowing, preventing food from entering the lungs |
larynx | voicebox; contains the vocal cords |
trachea | in some arthropods, chitin-lined air tube that forms part of the respiratory system (Concept 24.1); in humans, tube between the larynx and bronchi through which air travels to the lungs; also called the windpipe |
bronchus | one of two tubes connecting the trachea to each lung |
lung | organ consisting of sponge-like tissue that exchanges oxygen and carbon dioxide with the blood |
bronchiole | thin tube that branches from a bronchus within a lung |
alveolus | one of millions of tiny sacs within the lungs where gas exchange occurs |
diaphragm | sheet of muscle that forms the bottom wall of the chest cavity; contracts during inhaling and relaxes during exhaling |