immunity

4. Another name for antibodies; includes IgG, IgA, IgE, IgM.
5. The most common immunoglobulin in the blood.
7. Immunoglobulin found in mucosal areas such as saliva and tears.
8. Innate immune cells that engulf and destroy pathogens.
10. Immune cell that releases histamine during allergic reactions.
12. The immune system receives antibodies from an outside source rather than producing its own. This provides immediate, but temporary, protection.
14. Invasion of the body by harmful microorganisms.
15. Protein that interferes with viral replication.

1. Long-lived B and T-cells that "remember" a specific antigen after the first exposure
2. (Substances that trigger an immune response.
3. Proteins produced by B cells to fight antigens.
4. Tissue response to injury or infection, causing redness and swelling.
6. Immune cells that attack infected cells directly.
7. Immunoglobulin involved in allergic responses.
9. The first antibody made during an initial infection.
11. Immune cell that presents antigens to T cells.
12. Substance that causes fever.
13. The immune system is actively engaged and produces its own antibodies. This type of immunity is long-lasting