• Question: why do you blink

    Asked by marshmalllow to Andy, Duane, Giovanna, Katie, Theresia on 13 Nov 2014. This question was also asked by Caleb.
    • Photo: Theresia Mina

      Theresia Mina answered on 13 Nov 2014:

      We blink to moist the surface of our eye and to remove any debris such as dust 🙂

    • Photo: Duane Mellor

      Duane Mellor answered on 13 Nov 2014:

      It is also part of human behaviour, it is thought that psychopaths blink less than other people!

    • Photo: Andrew Philp

      Andrew Philp answered on 14 Nov 2014:

      To constantly keep the eye moist

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