Study

The Eye

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  • What comes out of our eyes when we cry?
    Tears.
  • How much does the human eye weigh?
    About 7 grams.
  • Which parts of the eye help kepp it clean?
    The eyelid and the eyelashes.
  • Which part of the eye bends the rays of light and focuses the image on the retina?
    The lens.
  • Which part of the eye helps it focus?
    The cornea.
  • What is the name of the colored part of the eye?
    Iris.
  • How wide is the human eye?
    About 2.5cm
  • When we focus something close to us does the lens become thinner or thicker?
    Thicker.
  • On which part of the eye does the image appear upside-down?
    On the retina!
  • What part contains a fluid with Oxygen, Protein and Glucose?
    The anterior chamber.
  • Which part of the eye enlarges or contracts dependending on the amount of light?
    The pupil.
  • What is the name of the white part of the eye?
    Sclera.
  • How does the eyelid help keep the eye clean?
    By opening and closing several times (blinking).
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