Across
- 5. non-specific immune defense involving redness and swelling
- 8. short lived immunity passed from mother to baby
- 9. protein that fights infection
- 11. a shot that trains the immune system to recognize a virus
- 13. immune cell that produces antibodies
- 14. fluid containing white blood cells
Down
- 1. glands where t-cells mature
- 2. substance that triggers an immune response
- 3. tiny invader that replicates inside host cells
- 4. where many immune cells are made in the body
- 6. body natural defense system
- 7. type of white blood cell that engulfs pathogen
- 9. substance that triggers an immune response
- 10. first physical barrier against infection
- 12. cells that kill infected or cancerous cells