Across
- 2. Keeps bacteria, germs, and dirt from getting into your body.
- 5. A overly sensitive immune response to common antigens.
- 6. A type of disease where it can be spread from person to person.
- 8. Resistance to specific antigens.
- 9. A disease-carrying organism that does not develop the disease.
- 10. A process that causes the area to be red and swollen.
Down
- 1. Disease-causing agents, such as bacteria and viruses.
- 3. A system also meaning skin.
- 4. A procedure that helps the body defend itself against disease.
- 7. Your body is constantly exposed to ______ pathogens.