Cardiovascular System

3. where deoxygenated blood returns from the body
7. where blood goes to be re-oxygenated and also to diffuse carbon dioxide
8. where oxygenated blood gets sent after being squeezed out by the left ventricle
10. medical term to describe the heart
11. the amount of compressions you should do before doing 2 breaths during CPR
12. when the heart stops beating
13. the prtective outer covering of the heart
14. these are like doors that close as blood goes through the heart to ensure blood flows in one direction
17. to perform compressions you press on the lower portion of this bone
18. where oxygenated blood returns to after leaving the lungs
19. the cells in the blood that are responsible for transporting oxygen
20. medical term to describe vessels that carry blood to and from the heart
21. blood vessels that carry deoxygenated blood back to the heart from the body

1. when a major artery that supplies blood to the heart muscle is blocked and the muscle begins to die
2. the cells in the blood responsible for detecting pathogens and fighting infection
3. where blood gets deposited after leaving the right atrium
4. the cells in the blood that are responsible for clotting blood, also called platelets
5. the thick muscular layer of the heart
6. tiny blood vessels with thin membranes to make diffusion easier
9. blood vessels that carry oxygenated blood away from the heart
15. where blood gets deposited to after leaving the left atrium
16. the smooth inner lining of the heart