Psychology Crossword Puzzle

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Across
  1. 4. has 3 little bones that vibrate
  2. 6. strength=amplitude=loudness
  3. 9. helps with color vision
  4. 11. collect light
  5. 12. missing one of 3 cones
Down
  1. 1. lets light into eye
  2. 2. gathers vibrations
  3. 3. way we see
  4. 5. processes black, white, and gray
  5. 7. exposure above 85 produces hearing loss
  6. 8. chloclea
  7. 10. bends light
  8. 12. protects eye
  9. 13. frequency=pitch
  10. 14. adjusts to let light in