Peristalsis: Have you ever laughed so hard that you had your drink come out of your...

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Peristalsis: Have you ever laughed so hard that you had yourdrink come out of your nose? Have you ever swallowed something soquickly and then had to cough it up because it went down the wrongpipe? This usually doesnâ€™t happen because under normalcircumstances after you swallow your food, your epiglottis closesup over your wind pipe/traches that leads down to your lungs andyour soft palate lifts up to block the way to your nose. Yourtongue pushes back to your pharynx and then down your esophagus.How does food travel down through your esophagus? Itâ€™s not gravity.Q: Take a small drink of water. Bend down and touch yourtoes and swallow the water. Why were you still able to swallow thewater when you were upside down?

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The process in which food or water moves from mouth into stomach is called swallowing or deglutitionIt occours in 3 phasesAoral stagewhen food moves from mouth to pharynxBpharyngeal stagefood moves from pharynx to esophagusCesophageal stagewhen food moves from esophagus to stomach Food moves via GITmouthpharynxesophagusstomachsmall intestinelarge intestinedefecation Pharynx is a common path for both food and wind All the stages of deglutition are detailed below Aoral stagevoluntary stagefood moves from mouth ito pharynx via series of actionssequence of events are1bolus formed food mixed with saliva and masticatedplaced over tongue 2anterior part of tongue is retracted and depressed 3posterior part of tongue is elevated and retracted against hard palateThis pushes bolus towards pharynxThe See Answer

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