Across
- 4. close to keep dust and other objects out of your eye
- 6. – the black hole in the center of the eye that becomes smaller or larger to control the amount of light that enters the eye
- 7. – the part of the eye that focuses the picture you see
- 10. – a structure in your body (made from tissue) designed to do an important job
- 12. work like window screens and help keep dust and dirt out of your eyes
- 14. – the ring of muscles that controls the size of the pupil the colored part of the eye
- 15. – the part in the back of the eye where the picture is made it is connected to the optic nerve
- 16. of your brain controls the right side of your body and the right side of your brain controls the left side of your body
- 18. – the parts of your body that help you respond to the world around you- the eyes, ears, tongue, nose, and skin
- 19. – the smallest parts of the body often called your “building blocks”
- 20. – the network of nerves that includes the brain, the nerves, and the spinal cord
Down
- 1. the ability to see, hear, taste, smell, and touch
- 2. the nerve that carries the message of sight to the brain
- 3. – a group of cells working together
- 5. – a bundle of nerves found in your backbone
- 7. helps us see
- 8. – organs working with parts of your body that help it in a certain way
- 9. – the control center of your body
- 11. – the cells that carry messages to and from your brain
- 13. Your body is made of
- 17. help to wash out any dirt or dust that got into the eye