| __ | 1. | antibiotic | | A. | maintains homeostasis through secretion of hormones |
| __ | 2. | antibody | | B. | important barrier to pathogens |
| __ | 3. | antiseptic | | C. | targeted defense set off by body's response to antigens |
| __ | 4. | endocrine system | | D. | signal molecule in blood released by a endocrine gland |
| __ | 5. | feedback system | | E. | targeted response, marks antigen, binds to specific antigen |
| __ | 6. | hormone | | F. | disease causing agent |
| __ | 7. | immune system | | G. | body responds to some change in the environment |
| __ | 8. | pathogen | | H. | used to kill both bacteria and viruses outside of the body |
| __ | 9. | skin | | I. | generic term for medicine which kills bacteria |
| __ | 10. | target cell | | J. | plasma membrane has a binding site for particular hormone |
| __ | 11. | adrenal | | A. | raises blood calcium levels |
| __ | 12. | calcitonin | | B. | hormone which stimulates metabolism |
| __ | 13. | hypothalamus | | C. | produces thyroxine and calcitonin |
| __ | 14. | pancreas | | D. | stimulates T cell development |
| __ | 15. | parathyroid | | E. | hormone that lowers blood calcium levels |
| __ | 16. | pineal | | F. | releasing hormones made here |
| __ | 17. | pituitary | | G. | hypothalamus stimulates this to affect other glands |
| __ | 18. | thymus | | H. | produces epinephrine and norepinephrine |
| __ | 19. | thyroid | | I. | produces melatonin |
| __ | 20. | thyroxine | | J. | produces insulin and glucagon |
| __ | 21. | athlete's foot | | A. | major excretory organ |
| __ | 22. | B cells | | B. | pathogen is a fungi |
| __ | 23. | helper T cells | | C. | stores extra glucose as glycogen |
| __ | 24. | histamines | | D. | created by mast cells in response to an antigen |
| __ | 25. | Kidney | | E. | attacks infected body cells |
| __ | 26. | Killer T cells/cytotoxic T cell | | F. | circulates in the body fluids, produces antibodies |
| __ | 27. | liver | | G. | pathogen is a bacterium associated with a tick |
| __ | 28. | Lyme disease | | H. | pathogen is an airborne virus |
| __ | 29. | the common cold | | I. | pathogen is an airborne bacteria |
| __ | 30. | tuberculosis | | J. | activates the Killer T cells and B cells antibody production |