Across
- 2. large veins that carry blood to the heart form other parts of the body
- 6. carry blood to the heart
- 9. connects veins and arteries
- 10. a gas that your body needs to survive ; o2
Down
- 1. organ that pumps blood through the body
- 3. a gas that is eliminated by inhalation
- 4. carry blood away from the heart
- 5. organ that supplies body with oxygen and removes carbon dioxide
- 7. open and close to insure correct direction in bloodflow
- 8. a necessary body fluid that turns red when exposed to oxegyn