The endocrine system is made up of:

a. special centers which control our language functions.
b. neurons which transmit electrically charged messages.
c. glands which release hormones into the bloodstream.
d. none of the above

c

Psychology

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Which of the following is an example of semantic memory?

a. events b. concepts c. time d. place

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Operant conditioning operates on the principle that behaviors occur more often when they are ______

a. reinforced c. modeled b. punished d. ignored

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