Across
- 3. What your heart does as it pumps blood
- 6. A blood vessel that carries blood away from the heart
- 10. Tiny cell fragments that help your blood clot
- 11. The body system made up of the heart and blood vessels
- 14. A gas carried by blood that cells need to make energy
- 15. A blood vessel that carries blood back to the heart
- 17. The fluid that carries oxygen nutrients and wastes in your circulatory system
- 18. The continuous movement of blood through the body
- 19. A flap in the heart that keeps blood moving in one direction
Down
- 1. A tiny blood vessel where oxygen and nutrients move into body cells
- 2. The strong muscle that pumps blood through your body
- 4. The upper chamber of the heart that receives blood
- 5. The side of the heart that pumps oxygen rich blood
- 7. The liquid part of blood that carries cells and nutrients
- 8. A waste gas carried by blood back to the lungs (two words)
- 9. A blood cell that helps fight infection (color)
- 11. A thickened clump of blood that forms to stop bleeding
- 12. The lower chamber of the heart that pumps blood out
- 13. The blood cell that carries oxygen shaped like a biconcave disc (color)
- 16. The largest artery in the body that carries blood from the left ventricle