The Purpose of Crying - HowStuffWorks - 0 views
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What happens when you cry, exactly? A salty fluid chock full of protein, water, mucus and oil is released from the lacrimal gland in the upper, outer region of your eye. This fluid, better known as tears, then flows down the surface of your eye, across your face and smears your mascara.
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The reasons for our crying changes as we grow from babies to adults. Learn more on the next page.