Across
- 1. System that represents letters, digits, or other characters using zeros and ones
- 3. An organ that interprets messages received from and sends messages to other body organs
- 4. A lens that is thicker in the middle
- 8. A "picture" of the light source that light rays make when bounced off of a shiny surface
- 9. The bouncing of light waves off a surface
- 11. A nerve that is not part of the central nervous system and receives sensory information from other parts of the body
- 12. The part of the nervous system made up of the brain and spinal cord
- 13. A thick band of nerves inside the spine
- 14. When an object completely blocks light from coming through
Down
- 2. A lens that is thinner in the middle
- 5. The process of finding an object by using reflected sound or echoes
- 6. Body parts that gather information from outside the body
- 7. The bending of a light wave as it changes angles passing from one substance to another
- 10. The set of organs that uses information from the senses to control all body systems