Circulatory System

2. pumps oxygenated blood from lungs to the body.
3. protected pathway for structures traversing from the neack into abdomen.
7. keeps the heart pumping blood around the body.
10. supply blood to the heart muscle.
12. deliver blood to the organs and tissues in your body.
13. one of the simplest and fastest tests to evaluate the heart.
14. ensure proper response to cardiac cell injury.
16. network of fibers that recieve conductive signals.
19. transmit oxygen-depleted, carbon dioxide-rich blood from the right ventricle to the lungs.
20. stops bleeding and repairs damage.

1. four heart valves open and close in response to pressure changes that occur in the ventricles.
4. holds the heart in place and helps it work properly.
5. carry oxygen-rich blood from your heart to your body.
6. transfer blood from your lungs to your tissues
8. help the body fight infection and othe diseases.
9. return low-oxygen blood from your liver to the heart.
11. increases blood flow to the tissues in the body.
15. prevent blood from flowing back into the ventricles.
17. helps in the transportation of fatty acids.
18. carries blood away from your heart to the rest of your body.