Across
- 2. First person to perform open heart surgery
- 5. Biggest artery in the body
- 9. Animal that can mirror a human's heart rate
- 10. Person who invented the stethoscope
- 11. System that controls the rhythm of the heart
- 12. Animal with the smallest heart
- 13. Most common day of the week to experience a heart attack
- 14. Animal with a lopsided heart
Down
- 1. Size of a typical heart valve
- 3. Received first implantable pacemaker in 1958
- 4. The heart is part of the ____________ system
- 6. Age of youngest person to receive heart surgery
- 7. Animal with the largest heart
- 8. Leading cause of death in the United States