Across
- 3. type of immune cell
- 4. can help fight cancer
- 7. stops the growth of bacteria
- 11. part of the immune system
- 12. helps the body fight infections
- 14. immune cells that target antigens
- 15. naturally immune after exposure
- 16. the innate immune system
- 19. a person is given antibiotics
- 20. cause the immune system to respond
Down
- 1. white blood cells destroy bacteria
- 2. viruses’ DNA replicates using host’s DNA
- 5. detects harmful substances
- 6. how viruses hijack a host
- 8. cell that makes antibodies
- 9. triggers antibiotic production in body
- 10. produces immunity to certain disease
- 13. immunity caused by exposure to disease
- 17. type of white blood cell
- 18. bacteria that infects hosts