Across
- 4. Movement of substances across capillary walls
- 5. Muscular organ that pumps blood
- 8. Blood passes through heart twice per cycle
- 10. Pigment that binds oxygen in red blood cells
- 12. Structure that filters lymph
- 13. Blood vessel carrying blood away from heart
- 14. Cell that carries oxygen
- 16. Gas transported by red blood cells
- 18. Liquid part of blood
- 22. Force of blood against vessel walls
- 23. System that transports substances around the body
- 24. Cell fragment that helps blood clot
- 26. Clear fluid that drains into bloodstream
- 27. Tiny blood vessel for exchange of substances
- 28. Large vein returning blood to heart
- 29. Carries blood from heart to lungs
- 30. Pathway of blood to body tissues
Down
- 1. Blood vessel carrying blood to heart
- 2. Cell that fights infection
- 3. Lower chamber of the heart
- 6. Carries blood from lungs to heart
- 7. Structures that prevent backflow of blood
- 9. Substance absorbed and transported in blood
- 11. Waste gas carried to lungs
- 15. Connective tissue that transports materials
- 17. Pathway of blood to lungs
- 19. Main artery carrying blood from heart
- 20. Rhythmic expansion of artery as blood flows
- 21. Upper chamber of the heart
- 25. Movement of materials within the body