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it is believed to be a way for the body to bring in more oxygen and rid itself of load of carbon dioxide. Other theories suggest that we yawn to wake up, or to induce relaxation.
Read more at Suite101: Yawning and Brain Health: A Yawn Provides Oxygen, Stimulates Brain, Helps in Changing Energy http://naturalmedicine.suite101.com/article.cfm/yawning_and_brain_health#ixzz0fTPYZXqW
What else can I help you with?
Why do you yawn before dying?
you are the most tired before you die
How do you use yawn in a sentence?
Scientists still do not know why we yawn.Jillian yawned because it was almost midnight.Some people yawn before exercising to get more oxygen into their system.
Why do Olympic runners yawn before a race?
Experts suggest that yawning may actually provide a competitive advantage, as it stimulates the precuneus, a structure in the brain that affects consciousness and attentional focus. Yawning also regulates the temperature and metabolism of the brain.
What is a homophone for yawn?
the homophone for yawn is.............you! haha get it lol
Can cows yawn?
No whales do not yawn.
Is yawn an onomatopoeia?
Yes, yawn is an onomatopoeia.
Does a snail yawn?
yes they yawn quietly
What is the past participle of yawn?
"Yawned"; "yawn" is a regular verb.
How do you spell the sound a yawn makes?
The typical written expression for a yawn sound is "ho hum."
Can you give a sentence for the word yawn?
Insects do not yawn. People necessarily do not yawn only when they are tired. Most people, after reading this, will yawn.
Why do people yawn when they are cold?
A yawn is normally a response to a change in activity, although if you did not get enough sleep, you could become tired and yawn.
Why don't guinea pigs yawn?
Guinea pigs do yawn in fact....Usually they yawn because they are surrendering a fight involving a male guinea pig. But it does not mean they are sleepy. Before males start to fight they try to intimidate each other by purring ( a deep sound with trills , Not like a cat) Then the loser of the fight yawns which means they are conceding. Hope I helped :)
