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
you are the most tired before you die
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.
the homophone for yawn is.............you! haha get it lol
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.
No whales do not yawn.
Yes, yawn is an onomatopoeia.
yes they yawn quietly
"Yawned"; "yawn" is a regular verb.
The typical written expression for a yawn sound is "ho hum."
Insects do not yawn. People necessarily do not yawn only when they are tired. Most people, after reading this, will yawn.
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.
The word 'yawn' is both a verb (yawn, yawns, yawning, yawned) and a noun (yawn, yawns). Examples:Verb: I began to yawn in the middle of the lecture.Noun: The comedian's joke met with a big yawn.An adjective is a word that describes a noun, for example: a big yawn.