Across
- 2. accepts oxygen rich blood from the lungs
- 6. flaps of connective tissue
- 8. path of circulation between the heart and lungs
- 10. accepts oxygen poor from the body
- 11. wall separating the left side and right side of the heart
- 12. hollow muscular organ that pumps blood throughout the body
Down
- 1. the inner layer of the heart
- 3. the outer layer of the heart
- 4. path of circulation between the heart and the rest of the body
- 5. pumps oxygen rich blood to the body
- 7. the middle layer of the heart
- 9. accepts oxygen poor blood to the lungs