Across
- 3. veins that take in blood from the rest of the body
- 7. the bottom chambers of the heart
- 9. what is the top chamber of the heart
- 10. blood vessels that are connected to arteries
- 11. doors that let blood to chambers
Down
- 1. the strong is artery
- 2. part of heart that controls its heartbeat
- 4. tubes that take blood to the heart
- 5. tubes that carry blood to the rest of the body
- 6. a thick wall of tissue
- 8. s the part of the heart that moves the heart