Across
- 5. valve located between right atrium and left ventricle
- 7. circuit pump of the right side of the heart
- 9. valve located between left atrium and left ventricle
- 10. middle wall of heart muscle
- 13. outer wall of heart muscle
- 15. lower heart chamber pumping blood to the body (two words)
- 16. upper heart chamber receiving oxygen-rich blood (two words)
- 18. valve located between right ventricle and pulmonary artery (two words)
- 19. vessel through which blood leaves the right ventricle (two words)
Down
- 1. upper heart chamber receiving oxygen-poor blood (two words)
- 2. inner wall of heart muscle
- 3. surrounds entire heart, creating frictionless environment
- 4. pointed end of the heart pointing down to left hip
- 6. vessels supplying blood to left atrium (two words)
- 8. lower heart chamber pumping blood to the lungs (two words)
- 11. superior and inferior veins supplying blood to right atrium (two words)
- 12. circuit pump of the left side of the heart
- 14. valve located between left ventricle and aorta (two words)
- 17. vessel through which blood leaves the left ventricle