Across
- 4. simple one-celled organisms
- 5. pathogens introduced into the body to cause immune response
- 6. a highly communicable viral disease
- 7. cleanliness
- 10. the bodys response to injury or disease
- 11. one-celled organisms that are more complex than bacteria
- 13. organisms that are so small they can only be seen by a scope
- 16. able to spread to others by direct or indirect contact
- 17. organisms that are complex but cannot make their own food
- 18. germs that cause diseases
- 19. the ability to resist pathogens and diseases
Down
- 1. the result of pathogens or germs invading the body
- 2. any condition that interferes with proper functioning body
- 3. a bacterial disease that usually affects the lungs
- 7. viral disease with inflammation of the liver
- 8. a sore throat causesed by streptococcal bacteria
- 9. spread to a person from another object
- 12. specific proteins that attach to antigens, protecting them
- 14. substances the send that immune system into action
- 15. a serious inflammation of the lungs