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  • Yawn - Wikipedia, the free encyclopedia

    ... of deep inhalation and exhalation associated with tiredness , stress , over-work, lack of stimulation, or boredom . Pandiculation is the term for the act of stretching and yawning.
  • Neuroscience For Kids - yawning

    Intended for elementary and secondary school students and teachers who are interested in learning about the nervous system and brain with hands on activities, experiments and ...
  • MedlinePlus Medical Encyclopedia: Yawning - excessive

    Alternative Names Excessive yawning. Definition Return to top. Yawning involves opening the mouth involuntarily while taking a long, deep breath of air.
  • American Scientist Online - Yawning

    AmericanScientist.org An archive of articles covering original scientific research into astronomy, medical science, anthropology, ecology, technology, mathematics, biology ...
  • Yawning Bread

    S 2 500 To Rent a 3 Room Flat
  • Yawning

    A yawn is a semi-automatic reflex that originates in the brain stem in response to a lower level of oxygen in the brain.
  • Muttaqun OnLine - Yawning: According to Quran and Sunnah

    Is it a sin to yawn? ... Yawning. According to Quran and Sunnah WWW .M UTTAQUN . COM. Hadith - Bukhari 4:509, Narrated Abu Huraira
  • Yawning definition - Medical Dictionary definitions of popular medical ...

    Online Medical Dictionary and glossary with medical definitions ... Definition of Yawning. Yawning: Involuntary opening of the mouth with respiration, breathing first inward, then ...
  • Bill Nye--Yawning - MSN Encarta

    Hi Bill, Why do we yawn? And why does it seem contagious? --Sleepy Ruminator
  • Why is yawning contagious?

    World Science, the first and only global science news site. See the top science news here - long before it's in the papers ... Why is yawning contagious? Brain study deepens ...

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