The larynx is a tough flexible segment of the respiratory tract connecting the pharynx to the trachea in the neck it plays a vital role in the respiratory tract by allowing air to pass through it while keeping food and drink from blocking the airway. The larynx is located within the anterior aspect of the neck anterior to the inferior portion of the pharynx and superior to the tracheaits primary function is to protect the lower airway by closing abruptly upon mechanical stimulation thereby halting respiration and preventing the entry of foreign matter into the airway. The cavity within the larynx comprises three consecutive chambers the first chamber the vestibule of the larynx is a tube between the pharynx and a pair of folds the vestibular folds the false vocal cords that protrude into the larynx
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