U4S2L2 - Animal Eyes

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Across
  1. 2. like a dragon flies eye
  2. 4. clouding of the lens
  3. 7. Colored part of the eye
  4. 9. to see something and be aware of it
  5. 10. A clear layer that covers the front of the eye
  6. 12. a sound or an action that sends a message
  7. 13. curving outward
  8. 14. like when you see yourself in a mirror or water
  9. 16. a clear thing that focuses light
  10. 18. shiny because you rubbed it
  11. 20. lets some light go through
  12. 21. where light enters the eye
Down
  1. 1. the light-sensitive inside of the eye
  2. 3. the way you are going, like north, east, south and west
  3. 5. clear
  4. 6. curving inward
  5. 8. the outside layer; the top
  6. 11. Bending of light
  7. 15. a picture or likeness of an object
  8. 17. changes
  9. 19. not letting light through