Circulatory System

2. Blood vessels that carry oxygen-depleted blood back to the heart.
3. Blood vessels that carry oxygen-rich blood away from the heart to the body.
7. A lower chamber of the heart that pumps blood out to the lungs or the rest of the body.
12. A thickened mass of blood formed to stop bleeding.
13. Pertaining to the heart and blood vessels, comprising the circulatory system.
14. An upper chamber of the heart that receives blood from the veins and pumps it to the ventricles.
15. cava A large vein that returns deoxygenated blood from the body to the heart.
16. The movement of blood through the circulatory sytstem.
19. Blood that contains a high level of oxygen, typically found in arteries.
20. The largest artery in the body that carries oxygenated blood from the heart to the rest of the body.
21. A muscular organ that pumps blood throughout the body via the circulatory system.

1. Blood that contains a low level of oxygen, typically found in veins.
4. Relating to the lungs, specifically in the circulatory system, referring to the pulmonary arteries and veins.
5. The continuous movement of blood through the heart, blood vessels, and body.
6. The rhythmic throbbing of arteries as blood is pumped through them by the heart.
8. The rhythmic contraction and relaxation of the heart muscle.
9. A fluid that circulates through the body, delivering oxygen and nutrients to cells and removing waste.
10. The action of the heart as it pushes blood through the circulatory system.
11. Tiny blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs between blood and tissues.
17. The regular pattern of heartbeats.
18. The regular contraction and relaxation of the heart muscle.