Across
- 1. returns blood to the heart under low pressure
- 6. main artery that carries oxygenated blood from the heart to the body
- 7. relating to the lungs or the circulation between heart and lungs
- 8. lower chamber of the heart that pumps blood out to the lungs or body
- 9. upper chamber of the heart that receives blood returning to the heart
- 11. describes blood rich in oxygen after passing through the lungs
- 13. tiny blood vessel where exchange of gases and nutrients occurs
Down
- 1. cava large vein that brings deoxygenated blood from the body back to the heart
- 2. carries blood away from the heart under high pressure
- 3. structure in the heart or veins that prevents backflow of deoxygenated blood
- 4. process that replenishes oxygen in the blood, and removes waste carbon dioxide
- 5. _________ circulatory system, one for lungs and one for the body
- 10. natural cluster of cells, or an artificial, life-saving device that produces the signal to cause the heart to pump
- 12. location of gas exchange in the lungs, possess many capiliaries