The Immune System

1234567891011121314
Across
  1. 3. Being protected from infection.
  2. 6. Process where a white blood cell eats a germ.
  3. 8. Small living cells; some cause disease.
  4. 9. Substance that cancels out poisons from bacteria.
  5. 11. Medicine that kills bacteria.
  6. 13. Protection against disease.
  7. 14. When harmful germs enter the body.
Down
  1. 1. The body’s defence against disease.
  2. 2. Very small germ that lives inside cells.
  3. 4. Blood cell that fights infection.
  4. 5. When bacteria are no longer killed by an antibiotic.
  5. 7. A microorganism that causes illness.
  6. 9. Chemical made by white blood cells to attack germs.
  7. 10. Injection that helps prevent disease.
  8. 12. Cell that helps your body remember a pathogen.