| __ | 1. | antibiotic | | A. | maintains homeostasis through secretion of hormones |
| __ | 2. | antibody | | B. | important barrier to pathogens |
| __ | 3. | antiseptic | | C. | disease causing agent |
| __ | 4. | endocrine system | | D. | targeted defense set off by body's response to antigens |
| __ | 5. | feedback system | | E. | targeted response, marks antigen, binds to specific antigen |
| __ | 6. | hormone | | F. | signal molecule in blood released by a endocrine gland |
| __ | 7. | immune system | | G. | body responds to some change in the environment |
| __ | 8. | pathogen | | H. | plasma membrane has a binding site for particular hormone |
| __ | 9. | skin | | I. | used to kill both bacteria and viruses outside of the body |
| __ | 10. | target cell | | J. | generic term for medicine which kills bacteria |