Aerobic vs anaerobic exercise

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Across
  1. 1. type of anaerobic exercise
  2. 5. the ability of the muscle to go for an extended period of time
  3. 6. activities that uses oxygen
  4. 8. the length of time of a workout
Down
  1. 2. type of aerobic exercise
  2. 3. this acid is built up in the muscles which makes you feel sore(burn) after a workout
  3. 4. activities that does not use oxygen
  4. 7. your body needs for aerobic exercises