Across
- 2. Lower edge of heart
- 5. An enlarged heart
- 9. nervous system What the heart is regulated by
- 10. Amount of types of blood vessels
Down
- 1. Fast heart rate
- 3. Amount of chambers in the heart
- 4. Slow heart rate
- 6. Definition of EKG
- 7. Largest artery in the body
- 8. What carries blood back to the heart