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Unit 19: Biology Part 2 Page 124 of 137

Exercises

Controlling the Body Exercises

1. How does the nervous system relate to the other organ systems?

2. What is a synapse?
3. What organs are in the central nervous system?
4. What are the three parts of the brain?
5. If the left side of the cerebrum is injured, will the right or left side of the
body most likely be affected? Why?
6. What do the vertebrae do?
7. What is the function of myelin?
8. What is the difference between the somatic and autonomic nervous
sytem?

9. When is the sympathetic nervous system used?
10. How is a reflex different from a typical message to the brain?
11. What is the purpose of cones in the eyes?
12. What is the path of light coming into the cornea?
13. What happens to images if a person has myopia?
14. What two things are ears responsible for?
15. If the hairs in the ears semicircular canals move, what message is sent
to the brain?
16. What are some parts of the body that have many touch receptors?
17. Where are taste buds found?

18. What causes Reye’s Syndrome?
19. What occurs during a seizure?
20. What are some things you can do to “exercise” your brain?

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