Enter your Name:   Enter your E-mail Address:  Define the following terms: 01a. Lymph nodes 01b. Diffuse lymphatic tissue 01c. Innate immunity 01d. Acquired immunity 01e. Humoral immunity 01f. Cell-mediated immunity Match each of the following to the letter which best describes it 02. interstitial fluid 03. lymph 04. tonsils 05. Peyer's patches 06. lymph node 07. spleen 08. thymus gland 09. vasodilation 10. pyrogens 11. interferon 12. complement 13. constant region 14. variable region 15. memory B-cell 16. plasma B-cell 17. cytotoxic T-cell 18. helper T-cell 19. memory T-cell 20. MHC a. Cleans the lymph as it travels back to the bloodstream b. Chemicals that affect the hypothalamus, increasing body temperature c. An innate immune response, causing cells to increase antiviral defenses d. Fluid that flows in lymph vessels e. Section of the antibody that determines what group (IgG, IgA, etc.) it is in f. Responsible for the secondary response of the humoral immune system g. Increases proliferation of T-cells and B-cells h. Groups of lymph nodules found on the small intestine i. A group of glycoproteins that identifies cells as a part of the body j. Responsible for the secondary response of the cell-mediated immune system k. Fluid that exists between the cells l. Attacks and lyses foreign cells as a part of cell-mediated immunity m. Produces antibodies to fight an infection currently in the body n. Place where T-lymphocytes mature o. Groups of lymph nodules found in the throat and on the back of the tongue p. Section of the antibody that determines what antigen it can bind to q. An antibacterial response based on twenty proteins in the blood serum r. A result of inflammation which causes increased blood flow s. Cleans the blood