Food sometimes enters the wind pipe and causes choking. how does it happen?
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When food swallowing, the oesophageal sphincter muscle relaxes and the epiglottis comes and closes glottis which prevents food from entering the trachea. ... But food sometimes enters the wind pipe and causes choking
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When food swallowing, the oesophageal sphincter muscle relaxes and the epiglottis comes and closes glottis which prevents food from entering the trachea. ... But food sometimes enters the wind pipe and causes choking.
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