GRADE 10: RESEARCH

1. How does substances such as caffeine which is found in coffee affect the nervous system. List at least 10 substances and its effect on the nervous system.

2. Research about the life and works of Luigi Galvani (1737 - 1798).

3. What is acetylcholine? How is it related in controlling impulse transmission?

4. How does a person become blind? Explain and discuss all possibilities.

5. DESIGN a LOGO to be used on one of the five senses safety from impairment.

6. Write an ESSAY on which sense organ would you least likely to miss if lost.

7. Find and discuss FIVE (5) mental problems that would affect a person's behavior and way of life.

8. DRAW a reflex arc for your portfolio.

9. Compare a human's senses to other animals.