Circulatory System

1. the network of capillaries (microvessels) and a large network of tubes located throughout your body that transport lymph away from tissues
5. 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.
6. a blood protein produced in response to and counteracting a specific antigen
8. The cavity or channel within a tube or tubular organ such as a blood vessel or the intestine
10. any of the tubes forming part of the blood circulation system of the body,
11. produce antibodies
13. a muscular organ about the size of a fist, located just behind and slightly left of the breastbone
17. a molecule that contains the biological instructions that make each species unique
19. the main artery that carries blood away from your heart to the rest of your body
20. it's made up of 90% water and 10% solutes
23. the main chamber of your heart
24. carry a large volume of blood from the heart to the kidneys
25. the triangular wall of cardiac tissue that separates the left and right ventricles

2. helps to fight bacteria
3. carry blood from the right side of the heart to the lungs
4. a toxin or other foreign substance which induces an immune response in the body
7. two separate circuits and blood passes through the heart twice
9. provides the functional blood supply to all body tissue
10. the largest vein in the body
12. a tissue inside some of your bones, such as your hip and thigh bones
14. small, colorless cell fragments in our blood that form clots and stop or prevent bleeding
15. a blood cell with large percentage of oxygen and low in carbon dioxide
16. a small blood vessel from 5 to 10 micrometres
18. functions to close temporarily a passage or orifice
21. heart chamber that receives blood into the heart and drives it into a ventricle, or chamber, for pumping blood away from the heart
22. makes up organs and other body parts