Which of the following represents the correct sequence of steps in deglutition?
A) The tongue pushes the bolus back to the pharynx - the bolus moves into the esophagus - the larynx pushes up, causing the epiglottis to close over the glottis - peristalsis moves the bolus toward the stomach.
B) The tongue pushes the bolus back to the pharynx - the larynx pushes up, causing the epiglottis to close over the glottis - the bolus moves into the esophagus - peristalsis moves the bolus toward the stomach.
C) The larynx pushes up, causing the epiglottis to close over the glottis - the tongue pushes the bolus back to the pharynx - peristalsis moves the bolus toward the stomach - the bolus moves into the esophagus.
D) The larynx pushes up, causing the epiglottis to close over the glottis - the tongue pushes the bolus back to the pharynx - the bolus moves into the esophagus - peristalsis moves the bolus toward the stomach.
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