Across
- 2. the irregular/nonrhythmic beating of the heart when at rest, either too quick or too slow
- 4. when your heart beats too slow
- 6. main organ of the system; pumps blood around the body
- 9. carry de-oxygenated blood to the heart; carbon dioxide full blood
- 10. when blood supply is reduced or cut off completely to one part of the brain
- 11. carry oxygenated/ full of oxygen blood away from the heart
Down
- 1. connect veins and arteries
- 3. when your heart beats too fast
- 5. when your heart fails to pump blood as well as it should
- 7. open and close to allow blood flow in the right direction
- 8. when you get a blood clot stuck in the blood and a part of the heart is deprived of oxygen, it can die away