Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.332 Nervous System
diffusionNervous System
Section 33.1 Structure of the Nervous System
Skim Section 1 of the chapter. Focus on the headings, subheadings,
boldfaced words, and main ideas. Write two facts you discovered
about the structure of the nervous system.1.2.Use your book or dictionar y to define diffusion.Write the correct vocabular y term in the left column for each
definition below.region of a neuron that receives impulses from other neurons and
conducts them to the cell bodygap in the myelin sheath along the length of an axonnerve impulsenerve pathway that consists of a sensory neuron, an interneuron,
and a motor neuron; the basic structure of the nervous systemminimum stimulus to cause an action potential to be producedcontains the nucleus of a neuron and many of the cell organelleschemical that diffuses across a synapse and binds to receptors on
the dendrite of a neighboring cellregion of a neuron that carries the nerve impulse from the cell
body to other neurons and musclessmall gap between the axon of one neuron and the dendrite of
another neuronspecialized cell that helps you gather, interpret, and react to
information about your environmentMain Idea Details
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