Across
- 2. A bacterial infection and most common STD among teens.
- 3. White cells, which fight off pathogens.
- 4. The most successful method to prevent the spread of STD’s.
- 6. A protein that acts against a specific antigen.
- 8. Affects immune system by destroying the white cells.
- 10. Blisters or sores that can take weeks to heal.
Down
- 1. A parasite.
- 5. A system is bleeding between periods.
- 7. Is caused by human deficiency virus.
- 9. Means human papilloma virus.