Across
- 4. brings oxygen poor blood into the heart from the body
- 9. sends oxygen rich blood to the body
- 10. separates the right atrium and right ventricle
- 11. separates the left atrium and left ventricle
- 13. keeps blood moving in a forward direction
Down
- 1. upper chambers of the heart
- 2. sends oxygen poor blood to the lungs
- 3. waste product of cells
- 4. blood vessel that has valves
- 5. brings oxygen rich blood from the lungs to the left atrium
- 6. sends blood away from the heart
- 7. strongest ventricle in the heart
- 8. smallest blood vessels
- 12. lower chambers of the heart