Medical Crossword Puzzle

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Across
  1. 3. weakened blood vessels bursting
  2. 6. devices used to regulate heartbeats
  3. 9. official recognition
  4. 10. tube-shaped medical devices
  5. 11. tubular support
Down
  1. 1. relating to heart arteries
  2. 2. disease or condition that's long-lasting
  3. 4. breast cancer x-rays
  4. 5. proving qualifications for a job
  5. 7. reduces cell deterioration
  6. 8. injection directly into a vein