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Across 1. Becomes stronger through exercise. 3. The traits of a certain person or thing which may limit. 6. Muscle holders. 11. We breathe this IN when exercising. 13. Means without oxygen. 15. We breathe this OUT when exercising. 20. Can continue to exert a lot of force for a long period of time. 21. Limits you from continuing physical activity. 22. Relates to a rubber band. 23. Good level of both fat and muscle. 26. When a person tries to move an immoveable object 27. When exerting a short, fast burst of force. 29. How far your joints can move. 30. Our bodies do this to cool ourselves down.

Down 2. You use this to perform any type of physical activity. 4. Your heart and lungs can keep filled with oxygen. 5. Means with oxygen. 7. Keep going. 8. Becomes larger AND stronger through exercise. 9. A certain way of doing something. 10. Pumps blood around your body when exercising. 12. A way of keeping yourself from not falling. 14. Strong movements performed with fast movements. 16. This system is a vital part in doing exercise. 17. Repetitively applying force for a long period of time. 18. How quickly you can respond to an action. 19. Receives oxygen and lets out carbon dioxide. 24. When a person has a good-sized body and is not fat. 25. Another way of saying speed. 28. How fast you can move.