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4. Hyoid moved rostro-dorsally by geniohyoid and pterygopharyngeus contracts bringing common pharynx forward to engulf bolus.
 
4. Hyoid moved rostro-dorsally by geniohyoid and pterygopharyngeus contracts bringing common pharynx forward to engulf bolus.
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5. [[Epiglottis]] bends back to prevent food entering larynx.
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5. [[Epiglottis]] bends back to prevent food entering [[Larynx - Anatomy & Physiology|larynx]].
    
6. Bolus enters oesophageal pharynx and [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]] relaxes. Bolus is passed on down [[Oesophagus - Anatomy & Physiology|oesophagus]] by a concentric series of contractions by each set of contractor muscle in turn called [http://en.wikipedia.org/wiki/Peristalsis| peristalsis]
 
6. Bolus enters oesophageal pharynx and [[Oral Cavity - Tongue - Anatomy & Physiology|tongue]] relaxes. Bolus is passed on down [[Oesophagus - Anatomy & Physiology|oesophagus]] by a concentric series of contractions by each set of contractor muscle in turn called [http://en.wikipedia.org/wiki/Peristalsis| peristalsis]
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