Across
- 3. another word for skin
- 5. a state of balance among all the body
- 8. process that cause the area to become red and swollen
- 9. includes the lungs in the system
- 10. type of white blood cell to find and destroy pathogens
- 11. resistance to specific pathogens
- 15. a complex network of organs
- 17. eliminating specific pathogens
- 18. the inmate immune system
- 19. a group of cells that work together to protect the body
- 20. body produces antibodies in response
Down
- 1. disease causing agents
- 2. includes the heart
- 4. substance that causes an immune response
- 6. introduction of antibodies that were produced outside the body
- 7. weakened or dead pathogens
- 12. system that includes the small and large intestine
- 13. respond to an antigen by producing antibodies
- 14. has the brain
- 16. attach to the antigen and make it useless