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Psychology 8th Edition

Psychology (8th Edition)

Book Edition8th Edition
Author(s)Hockenbury, Nolan
ISBN9781319050634
PublisherMacmillan Publishing, Inc
SubjectPsychology
The Neuron: The Basic Unit of Communication
Section TNSATES: CTTB: The Nervous System and the Endocrine System: Communication Throughout the Body
Myth or Science
Specialization in the Cerebral Hemispheres
Critical Thinking Questions
Think LIke a Scientist
Section PFYL: MYBP: Psych for Your Life: Maximizing Your Brain's Potential
Myth or Science

Chapter 2, The Neuron: The Basic Unit of Communication, Key Questions, Exercise 01

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Here is a tip:

The primary function of a neuron is to process information.

Explanation

  • Although most neurons contain a cell body, dendrites, and an axon, they can vary in their structure. 
  • For example, a bipolar neuron has a simple structure, with just one axon and one dendrite extending from the cell body, while other types of neurons can have complex structures composed of multiple dendrites.

Verified Answer

The three main parts of the neuron are the cell body, dendrites, and axon. Each of these parts plays an important role in neuronal function. 

 

  • The cell body converts nutrients into the energy that supports the activity of the neuron. It contains the cellular machinery that produces proteins and other molecules. At the center of the cell body is the nucleus. This is where the DNA is stored. 
  • The dendrites are fibers extending from the cell membrane that receive messages from other cells.
  • The axon is a single, long projection through which messages (in the form of electrical impulses) are sent to other cells.
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