Why do we cry?(see the details)

Why do we cry?(see the details)
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Answer :

Tears also lubricate your eye. Tears get their water from the bloos supply… when we experience a strong emotion (i won’t go into the technical aspects) blood pressure in the head increases (you can tell by the flused face and warm feeling) which is in direct correlation to an increase in the ammount of blood in the head. In order to diminish the ammount of pressure liquid is secreted from the blood vessels in the form of tears and mucus (notice more snot accumulating when you cry). Hope this helps.
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