Across
- 3. A type of immune cell which engulfs and destroys pathogens
- 7. The basic structural unit of all living organisms
- 9. Another name for the body's second line of defence
- 15. Medication used specifically for bacterial infections
- 16. A molecule with a specific shape on the surface of the pathogen
Down
- 1. The general term for white blood cells
- 2. The enzyme within tears
- 4. A necessary fluid within your veins
- 5. The body's barrier against the external environment
- 6. State or quality of being resistant to a particular infection or disease
- 8. Tiny hairs within the ear used to prevent the entry of pathogens
- 10. Type of white blood cells also responsible for fighting off pathogens
- 11. Another word for 'reaction'
- 12. Referring to a particular thing only
- 13. What do white cells produce?
- 14. You are protected