Cardiovascular System

2. Vein-Blood vessels that transfer freshly oxygenated blood from the lungs to the left atria of the heart.
6. thin, smooth membrane which lines the inside of the chambers of the heart and forms the surface of the valves.
9. of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart.
10. of the fine branching blood vessels that form a network between the arterioles and venules.
11. red blood cell that is typically a biconcave disc without a nucleus.
13. colorless cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease; a white blood cell.
14. Cava-A large vein carrying deoxygenated blood into the heart.

1. muscular tissue of the heart.
2. Artery- The artery carrying blood from the right ventricle of the heart to the lungs for oxygenation.
3. term for platelet.
4. membrane enclosing the heart, consisting of an outer fibrous layer and an inner double layer of serous membrane.
5. of the muscular-walled tubes forming part of the circulation system by which blood is conveyed from the heart to all parts of the body.
7. Each of the two upper cavities of the heart from which blood is passed to the ventricles.
8. main artery of the body, supplying oxygenated blood to the circulatory system.
12. hollow part or cavity in an organ (heart).