Across
- 4. RBC has this molecule to transport oxygen
- 5. Blood pressure number of heart muscle relaxation
- 6. Blood pressure number of a contraction
- 9. Function is to clot blood
- 10. Universal acceptor of blood types
- 11. Unusual sound during a heart beat
- 14. Category of WBC
- 15. Vessel carrying blood towards the heart
Down
- 1. Where gas exchange occurs, veins and arteries meet
- 2. Blood is considered this level of organization
- 3. Shape of RBC
- 7. Maintaining homeostasis within/using blood
- 8. Clear liquid of blood that carries nutrients
- 12. Vessel carrying blood away from the heart
- 13. Makes blood positive or negative