Across
- 1. pieces of genetic material surrounded by a protein coat
- 5. _____________ response: reaction to tissue damage caused by injury or infection
- 6. organism that carries and transmits pathogens to humans/animals ex: ticks, arthropods
- 7. pathogens introduced to body to stimulate an immune response
- 8. this system is a network of cells, tissues, organs and chemicals that fight off pathogens
- 9. substance that kills cells or interferes with their functions
- 12. protein that acts against a specific type of antigen
- 13. white blood cell that attacks invading pathogens
Down
- 2. when pathogens enter the body, multiply and damage body cells
- 3. single celled microorganisms
- 4. ___________ disease: spread from one living thing to another/through environment
- 10. state of being protected against a particular disease
- 11. organism that causes disease