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Title: Once food is swallowed, what is the tiny flap of tissue that keeps food from ent Post by: mikael on Oct 27, 2013 Once food is swallowed, what is the tiny flap of tissue that keeps food from entering the trachea called?
A) pyloric valve B) esophagus C) epiglottis D) upper esophageal sphincter Title: Re: Once food is swallowed, what is the tiny flap of tissue that keeps food from ent Post by: Doctor-2-B on Oct 28, 2013 Content hidden
Title: Re: Once food is swallowed, what is the tiny flap of tissue that keeps food from ent Post by: mikael on Oct 29, 2013 :) Thanks
Title: Re: Once food is swallowed, what is the tiny flap of tissue that keeps food from ent Post by: Doctor-2-B on Oct 29, 2013 welcome
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