Across
- 4. A mass of cells that are growing uncontrollably.
- 5. A type of immunity which develops after the body receives antibodies from another source.
- 6. A type of immunity which involves the body making its own antibodies.
- 8. Foreign invaders have these on their cell membranes.
- 9. foot A fungal infection.
- 11. A tumour which grows rapidly and spreads to other parts of the body.
- 14. These are given when you have a bacterial infection.
- 16. A pathogen which causes malaria.
- 18. A cancer-causing substance.
- 20. A disease causing micro-organism.
Down
- 1. The name of the system that fights infection.
- 2. An organism that lives in or on an organism.
- 3. Blood Cells Specialised cells that fight infection.
- 5. A type of white blood cell that engulfs foreign invaders.
- 7. The type of pathogen that causes the flu.
- 10. A type of white blood cell that produces antibodies.
- 12. These latch onto the pathogens antigen.
- 13. A carrier of a disease.
- 15. A disease caused by a pathogen.
- 17. An organism that is used by a parasite as a source of food.
- 19. A non-cancerous tumour.
