What is tears? by _ShAnE_StArK_ 2015/05/13 06:04
What are tears?
Tears are produced by tear glands, which are
small glands inside your upper eyelid. Tears keep
the surface of your eyeball clean and moist, and
help protect your eye from damage.
When you blink, your eyelids spread the tears
over the surface of the eye. Sometimes tears
flow over your lower eyelid, but mostly the tears
flow down a tiny tube at the edge of your lower
eyelid, next to your nose - if you look very
carefully you can see a tiny dot that is the
beginning of this tube. This tube carries the tears
to the back of your nose (and this is why your
nose 'runs' when you cry!)
What are tears?
Tears are produced by tear glands, which are
small glands inside your upper eyelid. Tears keep
the surface of your eyeball clean and moist, and
help protect your eye from damage.
When you blink, your eyelids spread the tears
over the surface of the eye. Sometimes tears
flow over your lower eyelid, but mostly the tears
flow down a tiny tube at the edge of your lower
eyelid, next to your nose - if you look very
carefully you can see a tiny dot that is the
beginning of this tube. This tube carries the tears
to the back of your nose (and this is why your
nose 'runs' when you cry!)
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