high performance crossword

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Across
  1. 5. letting your body refuel
  2. 7. something that lets your body keep going
  3. 8. to control something
  4. 9. a group of things that are different
  5. 10. when someone that gets hurt
  6. 12. the hardest your body can go
  7. 14. different levels at which you go at
  8. 16. to use a lot of physical effort
Down
  1. 1. relying on the energy stored in your body to exercise for a short period of time
  2. 2. how fast your heart beats
  3. 3. focuses on a certain group of things
  4. 4. the number of times something happens in a certain amount of time
  5. 6. something we use to measure how long something can take
  6. 11. something that measures how healthy you are
  7. 13. another word for group
  8. 15. to use oxygen over a long period of time