Across
- 3. Name of the valve between the right atrium and ventricle
- 6. Name of the valve between the right ventricle and pulmonary artery
- 7. Type of blood vessel that moves blood away from the heart
- 9. Largest vein
- 11. Small vein
- 12. Inner layer of the heart
- 13. Type of blood vessel that moves blood toward the heart
- 15. Name of the valve between the left atrium and ventricle
Down
- 1. Middle layer of the heart
- 2. One of the upper chambers of the heart
- 4. One of the walls between heart chambers
- 5. One of the lower chambers of the heart
- 8. Outer layer of the heart
- 10. Small artery
- 14. Largest artery