Across
- 2. ___ cells: a type of white blood cell that remembers a pathogen and the specific antibody needed to defeat it
- 4. anything that causes the immune system to have an allergic reaction
- 6. occurs when a disease spreads to many people in a short period of time
- 10. what most infections are caused by
- 11. pathogens that cause disease such as athlete's foot
- 12. anything that may cause a disease
- 14. largest known pathogens
- 15. the body's special protection against disease
- 16. contains dead or weakened pathogens to provide immunity against disease
- 17. nonliving pathogens
Down
- 1. ___ response: the body's specific defense
- 3. the scientists who discovered the first antibiotic
- 5. a scientists who studies the causes and spread of diseases
- 7. ___ response: a nonspecific defense with symptoms of redness, swelling, heat, and pain
- 8. a transparent fluid that helps carry white blood cells throughout the body
- 9. the first antibiotic to be discovered
- 10. identified that diseases are caused by microorganisms
- 13. common pathogens that cause diseases such as strep throat
- 16. insects or other animals that carry pathogens
