1. Any organism or substance capable of causing disease is called a/an _______________.

2. Mucous membranes contain an antibacterial surfactant called _______________.

3. The pain of inflammation is due partly to a polypeptide called _______________.

4. The migration of leukocytes through the capillary endothelium is called _______________.

5. _______________ is a process in which complement proteins coat bacteria and then serve as binding sites for phagocytes.

6. Any substance that triggers a fever is called a/an _______________.

7. The hormonelike chemicals produced by lymphocytes to stimulate other leukocytes are called _______________. Those produced by macrophages are called _______________.

8. Part of an antibody molecule called its _______________ binds to part of an antigen molecule called its _______________.

9. Self-tolerance results from a process called _______________, in which lymphocytes programmed to react against self-antigens are destroyed.

10. Wandering macrophages of the connective tissues are called _______________.

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