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