Why do our eyes water when we yawn?

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Offline thedoc

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Why do our eyes water when we yawn?
« on: 29/04/2012 11:31:01 »
Hannia Bejarano  asked the Naked Scientists:
   
Hello Dr. Smith,

In regards to the watery eyes when yawning (March 2005), I just yawned with my eyes open and they still got watery. Any explanation for this?

Thank you!
 
Sincerely,

Hannia Bejarano

What do you think?
« Last Edit: 29/04/2012 11:31:01 by _system »