Extreme Sports

5. Encourage one person to another to measure physical strength or other ability with it
6. Wide, wide
7. Sport practiced between two teams of nine players each
8. Person who practices some sport.
9. Set of competitions
10. Generalized consideration that something is good or valid.
13. Impression that someone or something causes a person
16. Person who aspires to the same goal or to superiority in something
17. Free fall jump
19. Sailing sport that consists of moving in the water on a board

1. That it is risky or dangerous or that it involves some risk.
2. Vertical dimension of a body in its natural or normal position.
3. Set of chemical and biological changes that occur continuously in the living cells of an organism.
4. Increase heart rate
6. Idea or thought that is assumed to be true.
11. Underwater activity
12. Sport practiced between two teams of eleven players
14. Winter sport consisting of sliding on skis down a trampoline
15. Send a person information, a message or a news item.
18. Elongated strip that goes from end to end