2006-12-21 20:51:03 · 16 answers · asked by Anonymous in Health ➔ Other - Health
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A yawn (synonyms chasma, oscitation from the Latin verb oscitare, to open the mouth wide) is a reflex of deep inhalation and exhalation associated with being tired, with a need to sleep, or from lack of stimulation. Pandiculation is the term for the act of stretching and yawning. Yawning is a powerful non-verbal message with several possible meanings, depending on the circumstances. It is also claimed to help increase the state of alertness of a person. The exact causes of yawning
2006-12-21 20:55:22 · answer #1 · answered by mallimalar_2000 7 · 2⤊ 0⤋
A yawn happens when the body is low on oxygen. When you are tired, the lungs become lazy and slow down and then the diagphram kicks it back into action by making you yawn and take in more oxygen.
2006-12-21 20:54:28 · answer #2 · answered by smudge 3 · 0⤊ 0⤋
Definitions of yawn on the Web:
* utter a yawn, as from lack of oxygen or when one is tired; "The child yawned during the long performance"
* an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy"
* gape: be wide open; "the deep gaping canyon"
wordnet.princeton.edu/perl/webwn
* A yawn is a reflex of deep inhalation and exhalation associated with being tired, with a need to sleep, or from boredom. The word "yawn" has evolved from the Middle English word yanen, an alteration of yonen, or yenen, which in turn comes from the Old English geonian. Yawning is a powerful non-verbal message with several possible meanings, depending on the circumstances: # An indication of tiredness, stress, over-work or boredom. ...
en.wikipedia.org/wiki/Yawn
2006-12-21 20:54:01 · answer #3 · answered by Finally Preggers! 2 · 1⤊ 1⤋
It is a reflex reaction made by the body to increase the oxygen intake to the body. The alternative answer is that a yawn ia AKA the X factor!!!!!!
2006-12-21 21:04:27 · answer #4 · answered by la.bruja0805 4 · 0⤊ 0⤋
you yawn because there is a lack of oxygen going to the brain
2006-12-21 20:54:38 · answer #5 · answered by neo2832 1 · 0⤊ 0⤋
It is a reflex action in which the body takes a fresh supply of oxygen into the bloodstream and other vital organs
2006-12-21 21:36:02 · answer #6 · answered by charlotte s 3 · 0⤊ 0⤋
It a way to get oxygen into the brain/bloodstream, i think.
Merry Xmas
2006-12-21 20:53:08 · answer #7 · answered by David B 3 · 0⤊ 0⤋
It's what I do when I see that people have given me a thumbs down for a perfectly legitimate answer to a question.
2006-12-21 20:53:27 · answer #8 · answered by Misha-non-penguin 5 · 3⤊ 0⤋
It is a reflect of your body when you do not have enough oxygen in your body, normally for lack of sleep or when you are hungry
2006-12-21 20:53:13 · answer #9 · answered by Cisco Sucks 3 · 0⤊ 0⤋
it's a little green three-legged gonk that runs around the house at night, emptying the laundry basket and draping your dirty knickers over the stairs.
2006-12-21 20:58:54 · answer #10 · answered by gorgeousfluffpot 5 · 2⤊ 0⤋