A yawn is an involuntary reflex where the mouth is opened wide, and the lungs take in a lot of air. The air is then exhaled slowly. During a yawn, the ...
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The most scientifically backed theory about why we yawn is brain temperature regulation. Inhaling air can help cool brain temperature down.
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Yawn definition: to open the mouth somewhat involuntarily with a prolonged, deep inhalation and sighing or heavy exhalation, as from drowsiness or boredom.
Jul 5, 2022 · Although excessive yawning is usually attributed to being sleepy or bored, it may be a symptom of an underlying medical problem.
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Frequent incomplete yawning can also be a sign of stress and/or anxiety, which will make it difficult for muscles in your face and elsewhere in your body to ...
May 24, 2022 · In a paper published this month in Animal Behavior , he reports some evidence for how contagious yawns might have evolved to keep us safe.
The meaning of YAWN is to open wide : gape. How to use yawn in a sentence.
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What is it that makes us suddenly draw in a deep breath through a wide-open mouth? The beautiful thing about yawning is that researchers really don't know.
[Verse 1] Tumble out of bed and I stumble to the kitchen. Pour myself a cup of ambition · And yawn and stretch and try to come to life
HD yawns wallpapers ; 4000x6000px cat, yawn, funny, autumn, foliage, HD phone wallpaper ; 1920x1440px yawning-Cute Baby graphy, HD wallpaper ; 5670x4035px ...
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