Across
- 3. Prevent the backward flow of blood
- 6. It pumps blood through the body
- 8. it receives blood
- 9. the veins transport this
- 10. carries blood away from the heart
Down
- 1. it carries deoxygenated blood to the heart
- 2. they transport blood
- 4. system: a network consisting in the heart, vessels and chambers
- 5. it keeps you alive
- 7. they receive and pump blood