Across
- 4. dead microorganisms introduced in the body to produce immunity
- 8. limitations
- 9. prohibited
- 10. piece of material used to cover the face for protection
Down
- 1. country where the olympic games of 2016 took place
- 2. what do the five olympic rings represent?
- 3. people trained for competitions at outdoor games
- 5. pandemic disease attacking the world at the moment
- 6. device for emitting an unusually hot flame
- 7. use of substance to illegaly improve athletic performance