Across
- 3. Being protected from infection.
- 6. Process where a white blood cell eats a germ.
- 8. Small living cells; some cause disease.
- 9. Substance that cancels out poisons from bacteria.
- 11. Medicine that kills bacteria.
- 13. Protection against disease.
- 14. When harmful germs enter the body.
Down
- 1. The body’s defence against disease.
- 2. Very small germ that lives inside cells.
- 4. Blood cell that fights infection.
- 5. When bacteria are no longer killed by an antibiotic.
- 7. A microorganism that causes illness.
- 9. Chemical made by white blood cells to attack germs.
- 10. Injection that helps prevent disease.
- 12. Cell that helps your body remember a pathogen.