Across
- 1. middle, muscle layer of the heart wall
- 3. artery supplies blood to the head and neck
- 5. carries blood away from the heart
- 6. cavae two largest veins in the heart
- 7. conduct blood toward the heart
- 8. beat of heart as felt through walls of arteries
- 10. small vein
- 11. valve valve between right atrium and ventricle
- 12. upper chambers of the heart
- 13. valve valve between the left atrium and ventricle
Down
- 2. small artery
- 4. largest artery in the body
- 7. lower chambers of the heart
- 8. fibrous membranous sac that surrounds heart
- 9. partitions that separate the four chambers of heart