Across
- 5. the specific type of circulation that carries blood between the heart and lungs
- 6. thick walled vessels that carry blood away from the heart
- 7. the "soldiers" of the blood that fight off infection and disease
- 9. the thich muscular wall that separates the left and right sides of the heart
- 12. the largest artery in the body
- 13. the two lower, muscular chambers of the heart
- 14. the rhythmic expansion and contraction of an artery as blood is forced through it
Down
- 1. the yellowish portion of blood that carries nutrients and hormones
- 2. the chamber of the heart that receives oxygenated blood from the lungs
- 3. blood vessels where the exchange of oxygen and waste occurs
- 4. tiny cell fragments that help the blood to clot
- 8. the iron rich protein in RBC that binds to oxygen
- 10. the two upper chambers of the heart
- 11. blood vessels that carry blood back towards the heart
- 13. flaps of tissue that prevents blood from flowing backward