Across
- 2. Smallest blood vessel
- 5. Upper heart chamber
- 6. Builds up in arteries
- 8. Movement of blood through the body
- 11. Measured by beats per minute
- 12. Carries blood away from the heart
- 13. A section of the heart
- 14. A fatty substance in the blood
Down
- 1. Carries blood to the heart
- 2. Relating to the heart
- 3. The largest artery in the body
- 4. Lower heart chamber
- 7. Prevents backward blood flow
- 9. Gas carried by red blood cells
- 10. The rhythmic contraction of the heart