Training for weight loss puzzle

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Across
  1. 5. Body’s adjustment to exercise
  2. 6. How often an activity is performed
  3. 9. Increase in muscle size
  4. 13. Unit of energy in food
  5. 14. Exercise that works muscles against force
  6. 17. Ability to exert force
  7. 19. Exercise that does not require oxygen
  8. 20. Exercise that raises heart rate
  9. 21. Breakdown of fat for energy
  10. 23. Alternating periods of high and low intensity
  11. 24. Planned physical activity to improve fitness
  12. 25. How hard the body is working
Down
  1. 1. The process by which the body converts food into energy
  2. 2. How long an activity lasts
  3. 3. Intake of food and nutrients
  4. 4. Capacity to do work
  5. 7. Stored form of carbohydrates in muscles
  6. 8. Applying greater stress to improve fitness
  7. 10. Consuming fewer calories than used
  8. 11. Ability to sustain activity over time
  9. 12. Exercise that requires oxygen
  10. 15. Time needed to rest and repair
  11. 16. Overall physical health and condition
  12. 18. Calories burned through activity
  13. 22. Feeling of tiredness from exertion