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Ivan
How do you think why people yawn
Mar 29, 2018 11:18 PM
Comments · 6
Why do you think people yawn.
March 29, 2018
I'm not sure, but I have heard that it's because the brain needs more oxygen.
March 29, 2018
Job
March 29, 2018
You are right. Yawning is useful for health. I have heard that in Japan is some time for yawning at lob. But I don't know does it true
March 29, 2018
Jhonatan,
to yawn = bostezar
March 29, 2018
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