close
    1. Home
      2. ›
    2. Uncategorized
      3. ›
    3. what is a yawn
    what is a yawn

    Answer this
    0  Views: 360 Answers: 4 Posted: 13 years ago
    Tags: questions about the body
    Comment this question

      4 Answers

      It is what we do when we read a question like this
      13 years ago. Rating: 2
      Comment this answer

        There is plenty of speculation on this subject, but science hasn't came up with a definitive answer yet.
        13 years ago. Rating: 1
        Comment this answer

          I thought it was a lack of oxygen to the brain.
          13 years ago. Rating: 0
          Comment this answer

            I think it's a reaction caused by the cooling of the brain.
            13 years ago. Rating: 0
            Comment this answer



              Did this answer your question? If not, then ask a new question.

              Top contributors in Uncategorized category

               
              ROMOS
              Answers: 18061 / Questions: 154
              Karma: 1102K
               
              Colleen
              Answers: 47269 / Questions: 115
              Karma: 953K
               
              country bumpkin
              Answers: 11322 / Questions: 160
              Karma: 838K
               
              Benthere
              Answers: 2392 / Questions: 30
              Karma: 760K
              > Top contributors chart

              Unanswered Questions

              Nhà cái 6686
              Answers: 0 Views: 7 Rating: 0
              v9betkiwi
              Answers: 0 Views: 6 Rating: 0
              King88 - Sân chơi trực tuyến uy tín và đẳng cấp từ 2008
              Answers: 0 Views: 7 Rating: 0
              iwin68coach
              Answers: 0 Views: 11 Rating: 0
              fb68clubnet
              Answers: 0 Views: 8 Rating: 0
              CEO KIM OANH
              Answers: 0 Views: 15 Rating: 0
              nhacai11betlatvn
              Answers: 0 Views: 11 Rating: 0
              mcwcasinouno
              Answers: 0 Views: 9 Rating: 0
              > More questions...
              474738
              questions
              723252
              answers
              799347
              users