Across
- 2. a really quick and powerful response to a localised infectio
- 3. a chemical released by a cell causing small arteries to enlarge
- 4. a type of physical barrier
- 6. a bacterium
- 7. acid a chemical barrier
- 8. blood cell a cellular barrier
Down
- 1. increases blood flow in the artery which increases tempreatur in the wound
- 2. a physical barrier
- 5. blood protein a activated protein that attaches to the pathogen then punches a hole in it then kills the pathogen
- 7. a chamical barrier
