Circulatory system

2. A blood vessel that carries blood to the heart from tissues and organs in the body.
6. the largest vein in the body.
8. heart chamber that receives blood into the heart and drives it into a ventricle, or chamber, for pumping blood away from the heart.
10. small, colorless cell fragments in our blood that form clots and stop or prevent bleeding.
11. A protein made by plasma cells (a type of white blood cell) in response to an antigen (a substance that causes the body to make a specific immune response).
14. white blood cells and one of the body's main types of immune cells.
19. an organic chemical that contains genetic information and instructions for protein synthesis.
21. the clear, straw-colored liquid portion of blood that remains after red blood cells, white blood cells, platelets and other cellular components are removed.
22. the main chamber of your heart.
23. immune cells that play a critical role in both the early and late stages of immune responses.
24. provides the functional blood supply to all body tissue.

1. carry a large volume of blood from the heart to the kidneys.
3. a muscular organ in the chest.
4. carry blood from the right side of the heart to the lungs.
5. process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
7. the blood that has been exposed to oxygen in the lungs.
8. the main artery that carries blood away from your heart to the rest of your body.
9. basic and fundamental beliefs that guide or motivate attitudes or actions.
12. a dividing wall or membrane especially between bodily spaces or masses of soft tissue
13. a circulatory system in which the blood makes two distinct circuits
15. A thin tube that carries lymph (lymphatic fluid) and white blood cells through the lymphatic system.
16. Any substance that causes the body to make an immune response against that substance.
17. the spongy tissue inside some of your bones, such as your hip and thigh bones.
18. The cavity or channel within a tube or tubular organ.
20. group of cells that have similar structure and that function together as a unit.