AEROBIC ENDURANCE.

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Across
  1. 1. — The body’s adjustment in response to training.
  2. 5. — Physical activities involving skill and competition.
  3. 6. — The breakdown of complex molecules for energy.
  4. 10. — The movement of air in and out of the lungs.
  5. 12. — Essential nutrients needed for body processes.
  6. 15. — Relating to the lungs and breathing.
  7. 16. — The length of time something lasts.
  8. 18. — Circulating fluid that delivers oxygen and nutrients.
  9. 19. — Stored form of carbohydrate in muscles and liver.
  10. 22. — To widen or expand, especially blood vessels.
  11. 23. — Planned physical activity for fitness or health.
  12. 24. — The total amount or capacity of something.
  13. 26. — Related to the heart and its functions.
Down
  1. 2. — Concerning the normal functions of the body.
  2. 3. — Exercise that requires oxygen for energy.
  3. 4. — Related to how the body converts food into energy.
  4. 7. — Time for recovery after physical exertion.
  5. 8. — The maximum ability or potential to perform.
  6. 9. — Body tissue that contracts to produce movement.
  7. 11. — Practice regularly to improve performance.
  8. 13. — The power to withstand long, challenging activity.
  9. 14. — A person trained or skilled in physical activity.
  10. 17. — A measure of speed or frequency (like heart rate).
  11. 20. — Gas required by the body for aerobic exercise.
  12. 21. — The ability to sustain long periods of effort.
  13. 25. — Intense activity performed without enough oxygen.