Across
- 3. cells in the epithelium of the bronchi and trachea to make mucus
- 6. antibodies only attach to one antigen
- 7. when white cells ingest pathogens
- 9. drug that paralyses cilia and stops mucus moving
- 12. made by white cells to neutralise toxins from bacteria
- 15. glands that produce sebum
- 17. made by the stomach to kill pathogens
- 18. cells in the skin that are difficult for pathogens to penetrate
Down
- 1. chemicals that produced by white cells to destroy pathogens
- 2. cell fragments that start the blood clotting
- 4. white blood cells
- 5. protein fibres made by platelets
- 8. hair like structures on epithelial cells that move mucus
- 10. made by goblet cells to trap pathogens
- 11. made to seal a wound
- 13. when the body is protected from a pathogen it has already met
- 14. antimicrobial oil produced in the skin
- 16. chemical on the surface of a pathogen that is matched by an antibody