Across
- 3. small tubes or vessels
- 5. Man's best friend
- 6. how hard you work
- 9. achievable goal
- 12. frequency intensity time type
- 14. heart pumping blood while workingout
- 15. over time getting better
- 17. carbon dioxide for oxygen
- 18. how often
- 20. how long
- 21. how well you can stretch
Down
- 1. producing energy without oxygen
- 2. requires free oxygen
- 4. how well lungs and heart works hard
- 7. enduring your muscles hard
- 8. System lungs
- 10. muscle strength
- 11. fat mass and fat free mass
- 13. long goal
- 16. extact workout
- 19. one or more of the fitt variables