Across
- 2. carry blood back to heart
- 6. carry blood AWAY from heart.
- 7. the flow of blood between the heart and lungs
- 10. produced by white blood cells to help fight infection
- 11. a muscular organ that pumps blood
- 12. largest artery of the body
- 13. is the liquid part of the blood
Down
- 1. responsible for carrying oxygen and carbon dioxide
- 3. Helps the body fight off Germs
- 4. site of blood cell production and storage
- 5. responsible for transporting materials throughout the entire body.
- 7. Help stop bleeding
- 8. microscopic blood vessels that connect arteries and veins.
- 9. attracts and holds onto oxygen molecules