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Why our eye lids blink ?

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Why our eye lids blink ?

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  1. to mositen the eye ball, or else they would dry out... yuck


  2. eye lubrication

  3. The main four functions for blinking are...

    * To keep the eye surface wet.

    * To help wash out anything that gets in your eyes.

    * To reduce the amount of light entering the eyes.

    * A form of communication; usually to relay an emotional state.
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