Across
- 4. An unhealthy condition of the body or mind.
- 8. A treatment that destroys cancer cells with strong chemicals.
- 12. A disease that does not spread from person to person.
- 14. A group of cells, tissues, and organs, that fights specific germs.
- 15. Long lasting.
- 16. Chemicals produced specifically to fight a particular invading substance.
- 17. White blood cells that attack germs.
- 20. A chronic breathing disease caused by allergies, physical exertion, or other factors.
- 21. Preparations of killed or weakened germs.
Down
- 1. A disease caused by abnormal cells that grow out of control.
- 2. Communicable diseases that are spread from person to person through sexual contact.
- 3. A disease that prevents the body from using the sugars and starchesin food for energy.
- 5. A treatment that destroys tumors by aiming X-rays or other rays at them.
- 6. Avoiding sexual contact
- 7. A disease that spreads from person to person.
- 9. Acquired immunodeficiency syndrome, is an HIV infection combined with severe immune system problems.
- 10. When germs invade the body, multiply, and cause harm to body cells.
- 11. Resistance to infection.
- 13. A hormone produced by the pancreas.
- 18. Human immunodeficiency virus, the virus that causes AIDS.
- 19. Masses of abnormal cells.
