yawnin

bec4022 | 21:36 Sat 22nd Nov 2008 | Body & Soul

4 Answers

why do we yawn and why is it contagious

ghds

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i dunno but as i looked at your post i started to yawn lol

its primal!!!

lil75

We yawn to take more air in to try and keep the brain awake when were feeling tired, dunno why its contagious though!

Yawning is also a sign of a lack oxygen, people who arestruggling to breath sometimes, but not all the time, yaw alot. God im yawning now!

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