What is Yawning?

What is Yawning?

Science
WHY do we yawn?
853 Hits Sivaranjani G Oct 1, 2020, 6:48 AM
Everybody yawns - even unborn babies in the womb - and yet researchers aren't quite sure why we do it
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Science
Why do we Yawn?Is Yawning Contagious?
1,082 Hits Shahla Mar 20, 2020, 8:09 PM
Everybody yawns-even unborn babies in the womb and yet Researchers aren't quite sure why we do it.Let's talk about some...
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