Across
- 1. connected to arteries and veins
- 5. When the heart valves don't close properly
- 7. abnormal rhythm of the heart
- 9. occurs when valve doesn't open enough
Down
- 1. includes the heart and blood vessels
- 2. allow blood to flow in bloody area
- 3. Carry the arteries to the heart
- 4. carry blood and nutrients away from heart
- 6. help breath
- 8. A muscular organ that pumps blood through arteries