Film Science: Questions for The Living Body: Eyes and Ears

1. a) Is smell a near-world or far-world sense?

b) What about vision and hearing?

2. The loudest sound we can hear is how many times louder than the quietest one?

3. The ear canal, acting like an ear trumpet, amplifies sound how many times?

4. The bones in the middle ear amplify the sound how much more?

5. The oval window finally amplifies it how much more?

6. How do these moving parts respond to loud sounds?

7. Sounds arriving simultaneously in both ears are often interpreted by the brain as originating where?

8. The "goal" of the hearing system is to provide data about a sound's loudness and ___?

9. In detecting various frequencies at the same time, how do our ears compare with a radio tuner?

10. a) Bass sounds activate what percentage of the sound sensing cells lining the cochlea?

b) The cochlea contains how many sound detection cells?

11. We are most sensitive to what pitch?

12. How many muscle sets control eye movement?

13. Moving between shade and sunlight, our eye must adjust for how many degrees of light intensity?

14. How do emotions affect pupil size?

15. There are how many rods and cones in our retina?

16. a) Rods provide information about what aspect of our visual world?

b) Cones provide information about what aspect of our visual world?

17. We can distinguish how many colors?

18. How did the girl's senses work together to save her?