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The long slender projection of a neuron is called the ____.
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axon
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A ____ is an enclosed cable-like bundle of axons.
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cerebellum
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The ____ coordinates sensory perception and movement.
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cerebrum
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The ____ enables high-order thinking, learning, and memory.
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iris
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The white protective outer coat of the eye is the ____.
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nerve
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A ____ is an electrically excitable cell of the nervous system.
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neuron
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Your vertebral column encloses and protects your ____.
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sclera
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The colored part of the eye surrounding the pupil is the ____.
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spinal cord
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