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Single-celled protozoa were the first organisms to display a central nervous system.
Q2: A measuring instrument is said to be
Q11: The three major types of neurons are:<br>A)sensory
Q13: The electrical charge of a neuron at
Q38: By adding a methyl group to DNA,a
Q80: Which characteristic does NOT apply the cerebral
Q89: One difference in the nervous systems of
Q154: The indentations or fissures in the cerebral
Q157: _ is the primary excitatory neurotransmitter in
Q167: The cochlea resembles a:<br>A)sea horse.<br>B)funnel.<br>C)corkscrew.<br>D)snail.
Q237: Sensation occurs:<br>A)when the brain interprets a perception.<br>B)at