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CoughCough is also the name of a band, see Cough (band)A cough is a sudden, often repetitive, spasmodic contraction of the thoracic cavity, resulting in violent release of air from the lungs, and usually accompanied by a distinctive sound. A cough is usually initiated to clear a buildup of phlegm in the trachea; air may move through this passage at up to 300 /A> (480 km/../esophagus.html" title="Esophagus">esophagusepiglottischokingchronicdisease Whooping cough, Kennel cough. 
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