Across
- 4. substances that kill cells or interfere with their functions
- 6. contact through contaminated objects
- 10. the state of being protected against a particular disease
- 12. single most effective way to protect against catching or spreading disease
- 14. develops from being exposed to antigens
- 17. lining of various body cavities
- 19. response to tissue damage caused by injury or infection
- 20. white blood cell that coordinates and performs functions of specific immunity
- 21. proteins that can trigger an immune response
Down
- 1. contact with an infected person
- 2. produced by your body in response to an antigen
- 3. dead or weakened pathogens used to produce an immune response
- 5. type of infection commonly spread by airborne transmission
- 7. white blood cells that attack invading pathogens
- 8. response to a particular pathogens, involving lymphocytes and antibody production
- 9. a piece of genetic material surrounded by a protein coat
- 11. develops by receiving antibodies from another person or animal
- 13. disease that can be transmitted to another person
- 15. an organism that carries and transmits pathogens to human or other animals
- 16. viral infection causing inflammation of the liver
- 18. cells that produce antibodies
- 19. when pathogens in the body multiply and damage body cells