Across
- 2. prevents pathogens from entering the body
- 4. increased temperature slows down or kills pathogens
- 6. keeps hydration in the respiratory tract
- 8. any substance that causes the body to make an immune response against that substance
Down
- 1. first line of defence against infections and bacteria
- 3. swelling around an infection
- 5. a cornerstone of innate immunity
- 7. proteins that protect you when an unwanted substance enters your body