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Title: Explain why food does not normally go up into your nasal cavity or down into your lungs when you swa Post by: dolby on May 20, 2015 Explain why food does not normally go up into your nasal cavity or down into your lungs when you swallow-even if you are standing on your head when you swallow.
Title: Re: Explain why food does not normally go up into your nasal cavity or down into your lungs when you Post by: randis_oddy on May 31, 2015 Content hidden
Title: Re: Explain why food does not normally go up into your nasal cavity or down into your lungs when you swa Post by: dolby on Jun 28, 2015 Perfect. Thanks!
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