4. The eye is connected to the brain via the optic nerve. Images are interpreted by the occipital lobe

6. Neuron Interneurons carry the message along the optic nerve to the brain.

8. cornea * Cornea - lets light in (clear) * Aqueous Humor - fluid filled chamber aqueous humor

10. Middle layer that contains blood vessels * iris - colored portion of eye * pupil - opening through which light enters * lens - focuses light rays * vitreous humor - jellylike fluid, gives round shape

11. Light is focused here

13. * Located in the retina Rods - react to dim light Cones - responsible for color vision, don’t work in dim light

21. There is a “cave” near the school