Across
- 3. returns blood to the heart
- 6. blockage of a blood vessel
- 8. are microscopic
- 9. system provides oversight & management
- 10. composed of multiple tissue types
- 11. contributes to stress & aneurysms
- 13. tracks electrical activity of the heart
- 14. transplant from pigs
Down
- 1. sign of defective heart
- 2. tracks electrical activity of the heart
- 4. caries blood away from the heart
- 5. systems include heart and blood vessels
- 7. connects both nervous & cardiovascular systems
- 12. interruption in blood supply to the brain