Under Pressure

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Across
  1. 2. what you breathe in HBO
  2. 5. captain of your HBO diving vessel
  3. 7. keeps you warm
  4. 8. over-indulge shows
  5. 10. insurance approval for treatments [abbrev]
Down
  1. 1. diabetic ____ ulcer [HBO indication]
  2. 3. childhood punishment or spark prevention
  3. 4. name of your diving vessel
  4. 6. measurement of depth
  5. 9. cancer treatment that could lead to a HBO consult