Across
- 9. an antibody test
- 10. produces white blood cells
- 11. this shows if something is present
- 12. feeling very cold
- 14. a protein formed in the body that fights against disease
- 15. to resist or drive away
- 16. produce sporozoites which are passed to human host
Down
- 1. anything that causes a disease
- 2. a microscopic living organism
- 3. the way we understand something
- 4. a virus or bacteria is deliberately given to you
- 5. disease of the small intestine causing severe diarrhoea
- 6. prevents bacteria from getting into the body
- 7. a preparation that helps your body to fight disease and produce immunity
- 8. travels to the liver and produce merozoites
- 10. HIV is transferred when infected blood from one person comes into contact with an open cut or wound
- 13. filters blood and removes old or damaged blood cells from the body