Food or drink enters the mouth., The teeth break solid food into smaller pieces., Saliva mixes with food and helps moisten and lubricate it., The tongue and cheeks manipulate food and help form a cohesive bolus., The tongue moves the bolus backwards towards the oropharynx., The soft palate elevates to help close the route into the nasopharynx., The pharyngeal constrictors contract sequentially to propel the bolus downwards., The tongue base and pharyngeal structures contribute to bolus propulsion., The laryngeal structures contribute to airway protection., The upper oesophageal sphincter relaxes to allow bolus entry into the oesophagus., The bolus travels down the oesophagus through peristaltic activity., The bolus passes through the lower oesophageal sphincter into the stomach.

Swallowing Sequence

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