Across
- 4. Connects the arteries and veins
- 7. carries blood from lower regions of the body to right atrium
- 9. pumps deoxygenated blood to the lungs
- 10. muscular organ that pumps blood throughout the body.
Down
- 1. allows the blood to flow into the heart in only one direction.
- 2. Carries deoxygenated blood from the heart to the lungs
- 3. Abnormal heart rhythm
- 5. Blood vessels that carry blood away from the heart
- 6. receives oxygen-rich blood from the left atrium
- 8. A blood vessel that carries blood back to the heart.