Each olfactory receptor cell has a half dozen to a dozen little hairs that project out. These are called _________

The sympathetic-adrenal-medullary system causes the secretion of _____, which stimulate(s) the cardiovascular system.

a. cortisol b. epinephrine c. norepinephrine d. lymphocytes e. b and c

According to some research, the degree of explicit prejudice has declined, but because of implicit prejudice it has

a. gone underground and become more overt. b. gone underground and become more covert. c. become a thing of the past. d. become irrelevant to the lives of students today.