Chapter 8 Physical Activity

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Across
  1. 5. when body loses heat fast
  2. 7. easily move muscles and joints
  3. 8. brain injury that results from a jolt to head
  4. 11. amount of energy the body uses per minute
  5. 13. how often you engage in physical activity
  6. 14. person's heart rate
  7. 17. using oxygen to break down energy in muscles
  8. 18. hold a certain body posture on a stable surface
  9. 19. duration of your activity
  10. 20. physical activity that is structured
Down
  1. 1. freezing of skin and body tissues
  2. 2. injury to ligament
  3. 3. bones move out of their normal position
  4. 4. helps heart rate return to normal
  5. 5. body unable to deal with heat environment
  6. 6. rapid change in body's momentum and direction
  7. 9. powering the body without use of oxygen
  8. 10. ability to continue performing
  9. 12. groups of repetitions followed by rest
  10. 15. brain chemicals released during activity
  11. 16. broken bone