why doses water from out of our mouth after yawning?
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Yawning is triggered by tiredness and boredom (shocker), but according to new research it's also down to dehydration. A survey of 300 GPs has found that patients suffering from extreme exhaustion
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Answer:
As evident from the image the ducts of sublingual & submandibular glands open below the tongue.
Its the saliva produced by these 2 glands which often squirts out in a fountain like fashion while yawning.
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