Across
- 2. A microbe that always causes disease
- 5. The line of defence made up of physical barriers
- 7. White blood cell that digests pathogens
- 9. A protein made by lymphocyte cells
- 10. First line of defence that is the largest body organ
Down
- 1. The line of defence made up of white blood cells
- 3. A chemical found on the surface of pathogens
- 4. White blood cells that produce antibodies
- 6. First line of defence found in the eyes
- 8. First line of defence found in the stomach