Across
- 3. transports oxygen-rich blood to the heart
- 4. gas that is inhaled and used in the body
- 5. takes oxygen-poor blood from the upper body to the heart
- 9. smallest vessel
- 10. a four chamber muscle that pumps blood to the body
- 11. connects to the aorta
- 12. lies inferior to the right atrium
- 13. gas that is a waste product and is expelled through exhaling
- 14. lies superior to the left ventricle
Down
- 1. divides to go to the right and left lungs
- 2. takes oxygen-poor blood from the lower body to the heart
- 6. larges vessel in the body
- 7. first heart chamber to collect oxygen-poor blood
- 8. lies inferior to the tricuspid valve
- 11. pumps oxygen-rich blood to the left ventricle