How often do you exercise?

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Across
  1. 2. at the end of your arm
  2. 4. people related to you
  3. 9. leads a team
  4. 10. what you give to a question
  5. 11. twelve in a year
  6. 14. played with rackets
  7. 15. how fit you are
  8. 16. one round of a game
  9. 17. seven days
Down
  1. 1. how you feel
  2. 3. many times
  3. 5. clean
  4. 6. something you do a lot
  5. 7. a place with nothing
  6. 8. used to chew
  7. 12. 2
  8. 13. 1
  9. 18. blue marble planet