Acarcinogen is a a. type of microorganism associated with human sewage. b. cancer-causing chemical, radiation, or virus. c. vehicle that requires no gasoline to operate. d. phytochemical (a protective plant compound that promotes health). e. computer chip.

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand