Cardiovascular System Review

6. Red blood cells that are produced in the red bone marrow.
8. Located between the right atrium and the right ventricle and closes when right ventricle contracts.
12. A complex protien molecule.
13. Carry blood away from the heart.
14. Recieves oxygenated blood from the lungs.
16. The heart at a breif period of rest.
17. Connect aterioles with venules, the smallest vien.
18. Platelets that are usually described as fragments or pieces of cells because they lack nuclei and vary in shape and size.
19. Lines the inside of the heart and is continuous with blood vessels.
20. Located Between the left atrium and ventricle.
21. Blood vessels that carry blood back to the heart.
22. The heart in a period of ventricular cntraction.

1. Located between the right ventricle and the pulmonary artery.
2. Recieves blood from the right atrium and pumps it throught the pulmonary artery.
3. The thickest and muscular middle layer.
4. Recieves blood from the left atrium and pumps it through the aorta artery.
5. A double-layer membrane, or sac, that covers the outside of the heart.
7. Recieces blood as it returns from the body cells.
9. Muscular wall that seperates the heart from right and left.
10. Abnormal heart rythms that can be life threatening.
11. "Transportation" system of the body.
15. Located between the left ventricle and the aorta, the largest artery in the body.