whenever you feel Drowsy or sleepy start yawning does yawning help us in anyway
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Answered by
5
yes when our mind needs more oxygen we started yawning. our brain becomes slow in less oxygen that's why we feel sleepy. we yawn to provide more o2 to activate our brain.
mark it brainliest
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Answered by
4
Yes it is absolutely true yawning is and self action done by brain when we feel sleepy
When we yawn we take inside oxygen to help mind activate and don't let it sleep
When we yawn we take inside oxygen to help mind activate and don't let it sleep
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