Across
- 5. Middle tunic of the eye that contains the blood & choroid
- 10. Smooth muscles that hold the lens in place & helps focus the lens
- 12. Humor that is jelly-like & holds the retina in place + absrobds shock
- 13. Photoreceptors that pick up light in low-light conditions
- 14. Nerve cell that works with bipolar nerves to send signals to the brain
- 16. Humor that is clear and watery between the lens & cornea
- 17. Nerve that carries visual signals to the brain
- 19. Part of retina where there are no photoreceptors - "blind spot"
Down
- 1. Clear part of the eye that is protective & allows light in
- 2. Apparatus that functions to wash the eye
- 3. "White of the eye"
- 4. Opening in the iris that allows light in
- 6. Mucus on outer eye that decreases friction
- 7. Functions to focus the image
- 8. Thin layer of nerves that capture light & send the signal to the brain
- 9. The outermost tunic covering of the eye - consists of sclera & cornea
- 11. Smooth muscle that controls how much light enters through the pupil
- 15. Innermost tunic layer that has the nerves
- 18. Black color to absorb excess light
- 20. Photoreceptors that pick up colors in high-light conditions