The role of the ____________ immune system is to provide universal protection against infections and diseases

The ______ of the tongue is most sensitive to bitterness

a. tip c. back b. side d. middle

Does social psychological research support the popular notion that "first you must love yourself, and only then you are ready to love someone else?" Why or why not?

a. Yes—because people with high self-esteem tend to have longer-lasting relationships than do people with low self-esteem. b. Yes—because people who have narcissistic personality traits tend to report greater relationship satisfaction compared with other people. c. No—because there are essentially no differences in relationship outcome measures when comparing narcissists, those with high self-esteem, and those with low or very low self-esteem. d. Not really—although extreme self-love and extreme self-hate seem to negatively impact relationship outcomes, there are no major differences in relationship outcomes between those with high self-esteem and those with low self-esteem.