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tear duck
WHAT THEY ARE: Your tear ducts are short canals leading from the tiny
opening on the inside corner of each eye to your nasal passages.

WHAT THEY DO: Your eyes produce tears to lubricate, nourish, and protect
your eyes from debris and bacteria. Every time you blink, you spread tears
over your eyes, and during a 15-minute period you produce fluid that's
equal to about one large teardrop. Your tear ducts collect this fluid and
move it to your nasal passages, where it drains.

INTERESTING FACTS: When you cry, your tear ducts cannot drain all the
fluid, so it overflows. As you age, you produce an average of 40 percent
fewer tears. --J.T.M.