Across
- 2. Relating to the lungs
- 4. Found in the lower portion of the heart
- 7. Same job as 10-Across, but takes blood from the lower body
- 9. Along with 19-Across and 5-Down, one of three materials the circulatory system transports
- 10. Like 7-Across, takes oxygen-deprived blood back to the heart
- 12. Something you shouldn't do if you want to keep your system healthy
- 15. Something you should get checked to keep a healthy system
- 16. A blood vessel that usually takes blood away from the heart
- 17. A disease that occurs when blood doesn't go to the brain
- 18. Like 3-Down, a system partner of the circulatory system
- 19. Along with 5-Down and 9-Across, one of three materials the circulatory system transports
- 20. See 1-Down
- 21. A variety of materials the circulatory system removes
Down
- 1. With 20-Across, what blood is classified as
- 3. Like 18-Across, a system partner of the circulatory system
- 5. Along with 19-Across and 9-Across, one of three materials the circulatory system transports
- 6. A material the pulmonary system removes
- 8. A disease caused by high cholesterol
- 11. Connecting veins and arteries is one of its functions
- 13. A common analogy for the heart
- 14. Found in the upper portion of the heart
- 22. A major artery in the system