Across
- 1. Heart muscle
- 3. Brings blood from upper body to the heart
- 6. Carries blood from heart to lungs
- 10. Inner lining of the heart
- 11. Smallest blood vessels
- 12. Outer membrane
- 13. Lower heart chambers
- 14. Carry blood to the heart
Down
- 2. Brings blood from lower body to the heart
- 4. Main artery takes fresh blood from heart to the body
- 5. Upper heart chambers
- 7. Takes fresh blood from lungs to the heart
- 8. Double pump
- 9. Wall that divides heart