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health advisory Hospital Doctor Yu 2007-11-8 19:09:01

Answers:

Tears drain away from each eye along two channels marked by a tiny opening at the inner edge of each lid. The channels lead to the lacrimal sac at the side of the nose, which is why your nose runs when you cry. Yawning exerts pressure on the lacrimal sac causing normal tearing.

http://www.teenhealthfx.com/answers/heal.

It is so weird I was yawning just looking at your question.

Few Cool Yawning Facts

The average yawn lasts about six seconds.

55 percent of people will yawn within five minutes of seeing someone else yawn.

Blind people yawn more after hearing an audio tape of people yawning.

Reading about yawning will make you yawn.

Olympic athletes often yawn before competition.

http://www.kidzworld.com/site/p588.htm.

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when you yawn you squeeze your eyes, and maybe squeeze tears out of the tear ducts.

Only my theory

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The eyes is connected to nasal valve with tear canal, and the air pressure from the ywan will force a little fluid out.

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this is because as u yawn, you stretch your facial muscle, which would "squeeze" your tear glands, thus causing your eyes to water

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This is just a guess, but i think it's because the muscles in your face & around your eyes are tightening & squeezing the glands that cause tears.

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What would you prefer, Coke, Beer, Wine,..?

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When we yawn we contract our eyes, that is our lacrimal glands or tear sacs which causes tears artificially.

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