Choking is caused when a piece of food or other object gets stuck in the upper airway. ... When swallowing occurs, the trachea is covered by a flap called the epiglottis, which prevents food from entering the lungs. The trachea splits into the left and right mainstem bronchus. These lead to the left and right lungs......
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Choking is caused when a piece of food or other object gets stuck in the upper airway. ... When swallowing occurs, the trachea is covered by a flap called the epiglottis, which prevents food from entering the lungs. The trachea splits into the left and right mainstem bronchus. These lead to the left and right lungs......