Energy systems

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Across
  1. 5. 60 -80% of MHR is known as the...
  2. 6. 220-age is known as finding your ...?... heart rate
  3. 7. Exercise that is high intensity and short in duration
  4. 9. The best track event as an example for the ATP PC system
  5. 10. The best athletic event that is a good example of the aerobic system?
Down
  1. 1. The 400m is a good example of which energy system?
  2. 2. Exercise that in long in duration and medium intensity
  3. 3. 80% plus of MHR is known as the...
  4. 4. ATP-PC lasts.?.seconds
  5. 8. A line you cross to enter a training zone.