Why do we yawn While we are drowsy or sleepy?
Answers
Answered by
4
Answer:
because we are bored or tired,
we just don't breathe
as deeply as we usually do.
Explanation:
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.
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Answered by
0
Answer:
when we are sleepy or drowsy we generally yawn because our brain cells generally lack of oxygen. We generally take a deep breath during a yawn which helps to supply oxygen to the whole body including the brain and makes us get relaxed
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