Across
- 2. relaxation phase of the heartbeat
- 4. small artery
- 7. substance used to prevent and treat blood clots
- 9. high blood pressure
- 10. innermost lining of blood vessels
- 11. muscular middle layer of the heart
- 12. one of two upper chambers of the heart
- 13. small vein
- 15. extra whooshing sound heard between normal heart beats
Down
- 1. listening for sounds in blood vessels or other body structures using a stethoscope
- 3. condition of slow heart rate
- 5. smallest type of blood vessel
- 6. chest pain resulting from poor oxygen levels in the heart muscle
- 8. node pacemaker of the heart
- 12. widening of an arterial wall usually caused by atherosclerosis and hypertension
- 14. double-layered membrane surrounding the heart