could you help me with this why do we yawn?
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Answer:
we just don't breathe as deeply as we usually do. As this theory goes, our bodies take in less oxygen because our breathing has slowed. Therefore, yawning helps us bring more oxygen into the blood and move more carbon dioxide out of the blood.
Explanation:
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Because when we are sleepy ; our body oxygen level reduces. When you force your body to stay awake you yawn so that rate of oxygen intake increases which helps you stat awake.
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