quick bio rhythms

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Across
  1. 2. time giver
  2. 4. example of cycle taking longer than a day
  3. 8. from within the body
  4. 10. about a day in duration
Down
  1. 1. - biological r_________
  2. 3. from outside the body
  3. 5. example of daily cycle
  4. 6. takes longer than a day to complete a cycle
  5. 7. occurs many times per day (24 hours)
  6. 9. more frequent than one a day ie. many times a day