Bobbi is very interested in theater. When she fails to get the lead in the school play, rather than just give up her theatrical efforts, she accepts her smaller role. Her behavior is an example of ________

The human body has _______________ pairs of peripheral nerves, one nerve from each pair on the left side of the body and the other on the right

a. 43 b. 12 c. 31 d. 52

Actor Michael J. Fox announced that he was leaving his hit show Spin City because he had Parkinson's disease and wanted to spend more time with his family. The reason for his disorder is a(n) ________

a. loss of dopamine. b. loss of acetylcholine. c. overproduction of dopamine. d. overproduction of acetylcholine.