Across
- 4. White blood cell that produces antibodies.
- 6. Antigens and antibodies are made from ...
- 8. When your immune system can destroy a pathogen before you feel ill, you are said to be ... to the pathogen.
- 9. Medicine that can be used to treat bacterial diseases
- 10. Bacteria release these, which make us feel ill.
- 11. White blood cell that engulfs and digests pathogens.
Down
- 1. Injection containing dead or weakened pathogens.
- 2. Antibodies bind to ... on the surface of a pathogen.
- 3. Type of blood cell that forms our immune system.
- 5. Type of lymphocyte that remains in the blood after an infection
- 6. Pathogens can include bacteria, virus, fungi and ...
- 7. Microorganism that causes disease
