Sections 2 and 4.

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Across
  1. 2. The amount of light that enters the eye is determined by how big this is.
  2. 4. The sharpness of vision.
  3. 6. the sense that provides info about the position and movement of body parts.
  4. 8. colors across from each other on the color wheel.
  5. 11. The lens adjusts to the distance of objects by changing its thickness
  6. 12. One of the two kind of photoreceptors. Sensitive to only brightness.
  7. 13. Not being able to see colors
Down
  1. 1. Adjustment to lower lighting is called
  2. 2. Neurons that are sensitive to light.
  3. 3. The other photoreceptor that only picks up color.
  4. 5. When light hits the point where the optic nerve leaves the eye, the eye registers nothing.
  5. 7. The sense that provides information about the position of the body.
  6. 9. is the visual impression that remains after the image is removed
  7. 10. The sensitive surface in the eye that consists of neurons.