What is a yawn?!
Question: its so simple to answer but have u every really thought about it? really what is it that makes you yawn or why (besides when your tired) do we yawn?
Answers: its so simple to answer but have u every really thought about it? really what is it that makes you yawn or why (besides when your tired) do we yawn?
They don't really know why we do it, but scientist assume it is to get more oxygen into our lungs.
They say it is really because of a lack of air, but I don't really know for sure myself.