• Question: why do we yawn

    Asked by 236cesk43 to Eoin, Ester, Natasha on 16 Nov 2017.
    • Photo: Natasha Myhill

      Natasha Myhill answered on 16 Nov 2017:

      From my understanding, we yawn when our body is asking for more oxygen! So when you get tired, generally your heart rate slows down and your breathing rate slows down so less oxygen gets pumped around the body.

Comments