Across
- 1. Largest artery, carries blood to the branching arteries to the rest of the body
- 8. Lower chamber of the heart
- 9. Inner layer of the heart lining the chambers
- 10. Middle muscular layer of the heart
- 11. carry blood into the heart from the lower part of the body
- 12. Carry blood toward the heart
- 13. Valve leading to the Aorta
Down
- 2. Valve between the right atrium and ventricle
- 3. carry blood into the heart from the upper part of the body
- 4. Upper chamber of the heart
- 5. Sac like membrane surrounding the heart
- 6. is Muscular organ that pumps blood around the body
- 7. Valve leading to the pulmonary arteries
- 10. Valve between the left atrium and ventricle
- 14. Carry blood away from the heart