close
    1. Home
      2. ›
    2. Uncategorized
      3. ›
    3. Why do we Yawn?
    Why do we Yawn?

    Answer this
    0  Views: 517 Answers: 2 Posted: 14 years ago
    Comment this question

      2 Answers

      It is something that is not fully understood, some say it is an early form of communication, notice that when you yawn, it is contagious, person next to you yawns. I don't believe that it is to draw in more oxygen, or else we would yawn after a run rather than pant.
      14 years ago. Rating: 0
      Comment this answer

        its a lack of oxygen to our brains
        14 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

          taihitclub1itcom
          Answers: 0 Views: 4 Rating: 0
          Nhà Đài TX88
          Answers: 0 Views: 5 Rating: 0
          Nhà Đài NET88
          Answers: 0 Views: 6 Rating: 0
          taihitclubinnett
          Answers: 0 Views: 6 Rating: 0
          Nhà Đài 7NHACAIUYTIN
          Answers: 0 Views: 5 Rating: 0
          Nhà Đài 7NHACAIUYTIN
          Answers: 0 Views: 7 Rating: 0
          Nhà Đài 7NHACAIUYTIN
          Answers: 0 Views: 7 Rating: 0
          Nhà Đài 7NHACAIUYTIN
          Answers: 0 Views: 7 Rating: 0
          > More questions...
          535164
          questions
          769702
          answers
          885568
          users