Front | Back |
Neural messages travel faster on axons which
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Have a myelin sheath
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The part of the brain that helps process hearing and give meaning to words is the ______.
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The temporal lobe
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Calm is to aroused as _____ is to ______.
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Parasympathetic; sympathetic
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Human beings have _____ pairs of chromosomes.
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23
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The short fibers which extend from the neurons allowing it to receive messages from other neurons are
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Dendrites
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The area in the back of the temporal lobe that is important in our ability to listen and in processing and understanding what others are saying is _____.
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Wernicke's area
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Which hemisphere of the cerebral cortex is usually dominant in language tasks?
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The left hemisphere
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The part of the neuron that carries outgoing messages either to another neuron or to a muscle or gland is the
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Axon
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Which of the follwing is true of neural impulses in a single neuron?
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The strength of a neural impulse is the same each time the neuron fires.
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The idea that large fibers in the sensory nerves can prevent impulses from reaching the brain and thus prevent the sensation of pain is part of the ______ theory of pain.
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Gate-control
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The outer surface of the two cerebral hemispheres that regulate most complex behavior is called the ______.
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Cerebral cortex
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The structure in the hindbrain that controls certain reflexes and coordinates the body's movements is the _____.
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Cerebellum
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Endorphins
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Reduce pain messages in the brain
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A long structure leaving the cell body that action potential travel along is called the______.
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Axon
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If the limbic system were destroyed, which of the following structures would be damaged?
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Amygdala and hippocampus
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