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Transcript of Trevor& Ryder
As this theory goes our bodies take in less oxgen because there breathing has slowed down.
One is that when we are bored or tired, we just don't breath as we usally do.
Why do people yawn
Trevor & Ryder
Why do people yawn?
yawning then would be an involuntary reflex control.
Why do people yawn.
Everybody yawns - from unborn babies to the oldest great grandparents