Across
- 3. this sound caused by leaky valves
- 4. valve between Right atrium and ventricle
- 7. muscle in the heart
- 9. tiny blood vessels
- 11. arteries carry this with blood to the body
- 12. blood carrying vessels with valves
- 13. carries oxygen rich blood to the blood
- 14. this blood has low oxygen levels
Down
- 1. receiving chambers for blood from out in the body
- 2. valve between left atrium and ventricle
- 5. blood flows into this, past the aortic valve
- 6. this vena cava brings blood from upper body
- 8. keeps blood from back flowing
- 10. membrane around heart
- 12. chambers that holds blood about leave the heart