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