Across
- 4. The valve between the left chambers of the heart.
- 5. Term that means vein
- 9. Oxygen-rich blood travels this vessel from the lungs to the heart
- 11. Term that means heart
- 12. The valve between the right chambers of the heart.
- 13. A thin-walled vessel that contains valves to prevent backflow.
- 14. The heart chamber that deoxygenated blood first enters.
- 15. Oxygen-poor blood travels this vessel from the heart to the lungs
Down
- 1. Term that means pulse
- 2. the thickest layer of the heart wall.
- 3. Superior and inferior vessel coming back to the heart.
- 6. The tissue that lies between the two lower chambers of the heart.
- 7. The last chamber of the heart before the blood returns to the body,
- 8. Term that means blue
- 9. Sac that surrounds the heart.
- 10. the tissue that separates the two upper atria.