Lymphatic System

3. a protein secreted by virus-infected cells that bind to healthy cells to prevent them from getting infected
7. first line of defense
8. when the immune response attacks our own cells
9. excess tissue fluid carried by lymphatic vessels
10. saliva and lacrimal fluid contain this enzyme
12. engulf and destroy foreign substances
14. impairment of renal function
17. the lymphatic system transports fluids back to the _______
18. graft where tissue is taken from an unrelated person
19. high temperatures, like in a fever, inhibit the release of iron and ________ from the liver
23. tissue transplanted from one site to another on the same person
26. outer part of the lymph node
27. graft where tissue is taken from a different animal species
28. lymphoid organ that filters blood and destroys old blood cells

1. immunity that is antibody-mediated
2. lymphocytes that were created in the bone marrow and are mostly plasma cells
3. the five major classes are IgM, IgA, IgD, IgG, IgE
4. cervical, axillary, Inguinal
5. autoimmune disease where the white matter of the brain and spinal cord are destroyed
6. if lymphocytes are made in the thymus they are these kind of cells
11. includes the peyer's patches and tonsils and acts as a guard to protect respiratory and digestive tracts
13. found in the wall of the small intestine
15. provide immune response to antigen
16. this response is the second line of defense
20. bacteria, viruses, fungi
21. lymph moves towards the _________
22. materials returned to the blood include: water, wbc's, and _________
24. small masses of lymphoid tissue around the pharynx
25. lymphoid organ that produces hormones like thymosin and programs lymphocytes