Across
- 2. action taken by the heart with blood
- 6. heart, blood, and blood vessels
- 7. approximate size of heart
- 8. how many major blood circuits
- 11. the cavity the heart resides in
- 12. bottom portion of the heart
- 13. carries blood away from the heart
- 14. the heart is ______ to the lungs
Down
- 1. circulates blood through lungs
- 3. works to circulate lymph into the body
- 4. the upper portion of the heart
- 5. returns blood to the heart
- 7. number of functions the heart contains
- 9. carries oxygen rich blood to the body
- 10. main organ of circulatory system