Across
- 4. When your heart beat is too slow
- 6. Is what happens when plaque builds up in arteries and makes them narrow
- 8. Pumps blood through body
- 10. Control what direction the blood flows
- 12. Main artery that transports blood to lungs
Down
- 1. This is what the heart pumps through the body
- 2. Connect arteries to veins
- 3. Transport oxygen-rich blood to the rest of the body
- 5. Include veins, capillaries, and arteries
- 7. Carbon dioxide is replaced by this in the lungs
- 9. When you heart beats too fast
- 11. Transport carbon dioxide-rich blood to the heart