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.
Yawn definition: to open the mouth somewhat involuntarily with a prolonged, deep inhalation and sighing or heavy exhalation, as from drowsiness or boredom.
A yawn is a reflex in vertebrate animals characterized by a long inspiratory phase with gradual mouth gaping, followed by a brief climax (or acme) with ...
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Feb 5, 2022 · To investigate a relationship between yawning and airway physiology, a systematic literature search was conducted to link obstructive airway ...
Mar 22, 2014 · No one's really sure why yawning is contagious. One theory is based on the assumption that yawning is a form of nonverbal communication.
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Duration: 3:19
Posted: Jul 10, 2018
Posted: Jul 10, 2018
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Answer. Yawning might serve a social function (to communicate boredom) and a physiological function (regulation of body state).
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