Across
- 4. outer layer of heart wall
- 5. word for small artery
- 6. these branch into the arterioles
- 9. connective tissue within the heart
- 11. Greek word for dilation
- 14. Latin word for vein
- 15. the Greek word for lift up
- 17. relating to entire organism
- 18. system that includes arteries, capillaries, and veins
- 20. responsible for gas, nutrient, and waste exchange
- 21. the heart has 4 valves: the tricuspid, bicuspid, aortic, and....
Down
- 1. connective tissue sac that surrounds and protects heart
- 2. Latin for small belly
- 3. pacemaker of the heart
- 7. Greek word for contraction
- 8. pertaining to heart and blood vessels
- 10. doctor who specializes in disorders of the cardiovascular system
- 12. where the heart is located
- 13. muscular layer of the heart
- 16. small vein
- 19. entrance structure
