Across
- 3. the upper chambers of the heart that receive blood.
- 6. a major artery in the forearm, commonly used for checking pulse.
- 7. a condition where the heart beats unusually fast.
- 9. a structure in the heart that regulates the flow of blood.
- 11. a major artery in the neck that supplies blood to the brain.
- 12. essential gas transported by the blood to nourish the body's cells.
- 13. a blood vessel that carries blood back to the heart.
Down
- 1. the rhythmic contraction and expansion of the heart.
- 2. a blood vessel that carries blood away from the heart.
- 4. the largest artery in the body, carrying oxygenated blood from the heart to the rest of the body.
- 5. a condition characterized by an abnormally slow heart rate.
- 7. a young child who is just learning to walk.
- 8. a person in the transitional stage between childhood and adulthood.
- 10. the lower chambers of the heart that pump blood to the rest of the body.