Across
- 1. good virus that protect you from diseases
- 4. when big area get sick
- 5. when virus or bacteria invides body and you get sick
- 8. make heath problems go away
- 9. a period of 100 years
- 10. something that not true
Down
- 2. something that challenges you
- 3. bed bacteria that make you sick
- 5. system things in your body which protect you from disease
- 6. a long period of history
- 7. a plan