10.7 Crossword Puzzle Challenge Part 1

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Across
  1. 1. means wall
  2. 3. Inflammation of the inner lining of the heart.
  3. 6. relaxation
  4. 7. Record of the electrical activity of the heart
  5. 9. Drug that treats arrhythmias
  6. 10. Very rapid, random, inefficient, and irregularcontractions of the heart
  7. 11. large blood vessels that carry blood away from the heart
  8. 13. two lower chambers called
  9. 15. High blood pressure
  10. 16. Inner lining of the heart
Down
  1. 2. Listening for sounds in blood vessels or other body structures
  2. 4. Muscular middle layer of the heart
  3. 5. have walls that are only one endothelial cell in thickness
  4. 8. contraction
  5. 12. have thinner walls compared with arteries
  6. 14. Double-layered membrane surrounding the heart