Across
- 1. small device that's placed (implanted) in the chest to help control the heartbeat.
- 4. upper chamber where the blood enters the ventricles of the heart
- 6. blood vessel that carries blood to the heart
- 8. middle portion of the cardiac wall that divides the heart into left and right sides
- 9. A large vein that carries blood to the heart from other areas of the body
- 11. pumps blood from the heart to the body
Down
- 2. carries blood away from the heart
- 3. involuntary striated muscle tissue found only in the heart
- 5. take waste products away from your tissues
- 7. helps to keep blood flowing in the right direction
- 10. largest blood vessel in the body