Unit 3: vocabulary.

3. pain caused by something wrong with one of your teeth.
4. to reduce something.
5. the ability of the body to change food chemically so that it can be used.
6. physical activity that you do to make your body strong and healthy.
9. good effect.
12. someone or something that is not included in a rule, group, or list.
16. a medical condition in which the body temperature is higher than thirty seven.
17. to make something larger or greater.
18. a mental illness in which a person is very unhappy.
20. an illness continuing for a long time.
21. to make something stronger.

1. to be very fat, in a way that is dangerous for health.
2. becoming well again after an illness .
7. an increase in the size or the importance of something.
8. full of peace.
10. activities related to keeping healthy and strong.
11. a piece of paper on which the doctor writes the medicine the patient needs.
13. the act of stopping something from happening.
14. a specialised doctor in heart problems.
15. a medical check up.
19. the ability to see.