The FIRST division of the nervous system consists of the:
a. central and peripheral nervous systems.
b. brain and spinal cord.
c. somatic and autonomic nervous systems.
d. sympathetic and parasympathetic nervous systems.
a
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Each of the following is one of the general research findings on human sexual behavior EXCEPT:
a) there is general agreement as to the definition of sex. b) solo sexual behavior is common. c) there is great diversity in sexual activity. d) people have sex for a variety of reasons.
The term neurotransmitter refers to __________
a) a chemical found in the synaptic vesicles that is released into the synapse. b) any one of a number of chemical compounds that increase the activity of the endocrine system. c) the chemical substance found in the cell membrane. d) the DNA contained in the nucleus of every neuron.