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Respiratory system

TermDefinition
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; in humans, tube between the larynx and bronchi through which air travels through to the lungs; also called he windpipe.
Bronchus One of two tubes connecting the trachea to each lunch.
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.
Created by: 2016pollard
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