Cardiovascular System

4. - What system delivers oxygen, hormones, nutrients, and WBCs and removes carbon dioxide and metabolic wastes and transfers heat.
7. - Returns blood from capillaries to the heart.
8. - Structures that prevent backflow, keeping blood flowing in one direction.
10. - Carries blood from the heart to capillaries.
11. - Small, membrane-bound packets of cytoplasm that contain enzymes and other substances important to the process of blood clotting.
16. - Circulation that moves blood between the heart and the rest of the body to deliver oxygen.
19. - Distributes blood around the body.
20. - Blood cells known as Erythrocytes are the most abundant blood cells and are essential for the transport of oxygen in the blood.

1. - Circulation that moves blood between the heart and lungs to pick up oxygen.
2. - One of the two lower chambers of the heart that pump out blood.
3. - The largest artery in the body, supplying oxygenated blood to the body.
5. - The fluid ground substance of whole blood.
6. - Permit diffusion between blood and interstitial fluids.
9. - The wall separating the right and left sides of the heart.
12. - Blood cells known as Leukocytes are cells involved with the body’s defense mechanisms.
13. - One of the two upper chambers of the heart that receives blood.
14. - What word means pertaining to blood vessels.
15. - What word means pertaining to the heart.
17. - Transports oxygen, carbon dioxide, and blood cells. Delivers nutrients and hormones. Removes waste products. Assists in temperature regulation and defense against disease.
18. - Organ that propels blood and maintains blood pressure.