The human brain is composed of various cells, including about 100 billion that are specialized to receive and transmit electrochemical signals. These specialized cells are called
A) glial cells.
B) axons.
C) neurons.
D) oligodendroglia.
E) sulci.
Answer: C
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Central control of the hormone system is governed by the
a. pituitary gland. c. adrenal glands. b. hypothalamus. c. thyroid gland.
In an experiment, the ______ variable is deliberately manipulated by the researcher.
a. control b. dependent c. independent d. experimental
Depressed people tend to believe that:
a. the reason for their misery is external. b. this bleak despair is terrible, but it will pass. c. their misery is permanent and uncontrollable. d. if they just had the energy, they could control the situation.
April, Katy, and John study in the third grade. They regularly play a game they call "Shopping," wherein April assumes the role of a shopkeeper, Katy assumes the role of April's assistant, and John acts as a customer. Although they do not follow any rules, they have a script, and they play according to it. It is evident that April, Katy, and John are engaged in _____.
A. functional play B. symbolic play C. constructive play D. formal games