Across
- 5. microorganisms that cause disease
- 7. white blood cells that travel though the lymphatic system fighting off germs
- 8. "kissing disease"
- 9. example of a pathogen
- 11. hardening of the arteries
- 12. any condition that negatively affects the body
Down
- 1. disease which the brain loses its ability to function.
- 2. disease caused by genetics, environment, and lifestyle
- 3. what lymphocytes make to attack germ cells
- 4. has four different types of cells in the body to fight off infections
- 6. disease that develop suddenly with symptoms
- 10. tiny one-celled organisms