Across
- 4. Element that binds to oxygen in hemoglobin
- 5. Carry blood to the heart
- 7. Most prevalent part of the blood
- 9. Destroy foreign bacteria
- 11. Number of oxygen molecules one hemoglobin can hold
- 12. Bottom chambers of the heart
- 13. Circuit that takes blood to lungs and back
- 15. Prevent blood from flowing backwards
- 17. Kill parasitic worms and lessen allergic reactions
- 19. Allow blood to exchange gases
- 20. Name for white blood cells
- 23. Creating blood cells
- 24. Name of a blood clot
Down
- 1. Shape of erythrocytes
- 2. Foreign substance in the body
- 3. Circuit that takes blood to tissues and back
- 6. Anything in the blood with a defined shape
- 8. Top Chambers of the heart
- 10. Release histamines, which dilate blood vessels
- 14. Name for red blood cells
- 16. Bind to antigen
- 18. Number of types of leukocytes
- 21. Carry blood away from the heart
- 22. Have a spherical or kidney-shaped nuclei