By 20 weeks of gestation, the cerebral cortex has approximately ________ neurons, and this is the approximate number with which infants are born.
A) 80 thousand
B) 80 million
C) 80 billion
D) 80 trillion
Correct Answer:
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Q44: The motor area of the brain is
Q45: The frontal lobes are responsible for
A) correct
Q46: _ carry electrical impulses that send messages
Q47: The myelin sheath is responsible for
A) receiving
Q48: The embryo folds over to form the
Q50: One form of neuron maturation in which
Q51: The cortex will eventually have _ layers.
A)
Q52: Myelination is when
A) dendrites and axons branch
Q53: A type of neuron maturation in which
Q54: The cerebral cortex is made up of
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