Across
- 3. extra protection from viruses
- 7. protected from viruses
- 8. allow the body to remember and recognize previous invaders
- 9. They destroy antigens tagged by antibodies or cells that are infected or somehow changed
- 10. chew up invading germs
Down
- 1. everyone is born with this
- 2. another word for antibodies
- 4. usually stay in our bodies in case we have to fight the same germ again
- 5. fights bacteria
- 6. part of this defense system for the immune