1. The pupil controls the amount of light entering the eye.

    True

    False

2. Where in the eye would you expect to find cones?

    cornea

    retina

    iris

    lens

3. The converts sound vibrations in the ear to nerve impulses.

4. The semi-circular canals in the ear control balance.

    True

    False

5. Which part of the eye do we use for focussing?

6. The central nervous system is made up of three part - the brain, nerves and what else?

7. A motor neurone takes impulses to the brain.

    True

    False

8. Which part of the brain controls coordination?

    cerebellum

    medulla

    cerebrum

    hypothalamus

9. A reflex action often happens before the brain knows about it. A special neurone is used for this called a "______" nerve.

10. We can see objects in 3-D because we have vision.