Across
- 6. allow the blood to flow in one direction in the heart
- 8. heart is not pumping blood like it should
- 9. muscular organ that pumps blood through arteries, veins, and capillaries
- 10. heart beats too slow
Down
- 1. hearts beats too fast
- 2. abnormal rhythm of the heart
- 3. connects arteries and veins
- 4. the blood flow to a part of the heart get blocked by a blood clot
- 5. carries nutrients and blood to the heart
- 7. carries blood and nutrients away from the heart