Cardiovascular System Vocab

3. surround and ingest organisms that cause disease, form antibodies that provide immunity and fight allergic reactions.
6. wall tissue that separates the chambers of the heart.
7. the pressure at its lowest point when your ventricles relax.
8. blood vessels that return blood to the heart.
10. microorganism that causes disease.
11. the maximum pressure as your heart contracts to push blood into your arteries.
13. the clear fluid that fills the spaces around body cells.
15. the oxygen-carrying protein in the blood.
16. the fluid that delivers oxygen, hormones, and nutrients to the cells and carries away wastes.
17. blood vessels that carry oxygenated blood away from the heart.
18. top two chambers of the heart.
19. muscle that makes the cardiovascular system work.
21. bottom two chambers of the heart.

1. Blood type O is considered a...
2. the fluid in which other parts of the blood are suspended.
4. between the atria and ventricles that allow blood flow through the chambers.
5. a measure of the amount of force that the blood places on the walls of blood vessels.
9. small vessels that carry blood from arterioles and to small vessels called venules.
10. type of cell in the blood that cause clots to form.
12. small bean-shaped organ found in lymph vessels
14. Type A, B, AB, and O
20. make up about 40% of normal blood and contain hemoglobin.