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1. What keeps you going when you exercise? (lesson 30a)
2. What lets you move freely and easily? (30a)
3. Name the 2 other 's-factors'. (30a)
4. What do we mean by growth? (30b)
5. How could you measure growth? (30b)
6. How does a group of cells (tissue) form? (30b)
7. What do we call the chemical process that produces alcohol? (30c)
8. How units of alcohol are there in 3 pints of beer? (30c)
9. How long does it take the body to remove one unit of alcohol? (30c)
10. What is a drug? (30d)
11. What produces the symptoms of many diseases? (30e)
12. What is an antibiotic? (30e)
13. What is used to kill germs on the surface of the skin? (30f)
14. What is used to kill germs on work surfaces? (30f)
15. What stay in your body after a disease to make you immune? (30f)

ANSWERS

1. Stamina.
2. Suppleness.
3. Strength, speed.
4. A permanent increase in size.
5. By measuring height, weight or length of things.
6. One cell divides into 2 which divides into 4 and so on.
7. Fermentation.
8. 6 Units.
9. One hour.
10. A chemical that alters the way the body works.
11. Waste chemicals produced by microbes.
12. A useful drug that helps to fight certain diseases.
13. An antiseptic.
14. Disinfectant.
15. Antibodies.