Across
- 1. this blood vessel is one cell thick
- 5. this circuit supplies blood to the lungs
- 7. helps the blood to clot
- 12. when your heart rests between beats
- 13. the receiving chambers of the heart
- 15. this makes up 55% of blood volume
- 16. contains platelets and plasma(2 words)
- 20. this blood vessel takes blood away from the heart
- 23. protein that helps form a scab
- 25. cells responsible for the pumping(2 words)
- 26. this circuit supplies blood to the body
- 27. the outer portion of the heart
- 28. system cells responsible for electric impulses
Down
- 2. fight off bacteria & other foreign substances
- 3. the pumping chambers of the heart
- 4. divides the heart
- 6. this fluid protects the heart
- 8. the largest artery in the body
- 9. bring oxygen throughout the body
- 10. this blood vessel has a valve
- 11. pressure in your arteries when your blood pumps
- 14. listening to the heart via a stethoscope
- 17. a gas dissolved in the blood
- 18. the largest vein in the body(2 words)
- 19. loose connective tissue containing elastin(2 words)
- 21. the amount of blood pumped by each ventricle in 1 minute
- 22. the cardiac muscle
- 24. the inner portion of the heart