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Introduction to Psychology 11th Edition

Introduction to Psychology (11th Edition)

Book Edition11th Edition
PublisherCengage Learning
Section 3.1: Neurons and Behavior
Section 3.2: Drugs and Their Effects
Section 3.4: Genetics and Evolutionary Psycholpgy
Chapter 3, Section 3.1, Review Questions , Exercise 1
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Compared to other cells of the body, neurons vary more widely in which of these aspects?

(a) Acid-to-base ratio

(b) Color

(c) Chromosomes

(d) Shape



Chacron, M. J., Maler, L., & Bastian, J. (2005). Electroreceptor neuron dynamics shape information transmission. Nature neuroscience, 8(5), 673-678.


Cohen, M. J., & Hall, G. F. (1986). Control of neuron shape during development and regeneration. Neurochemical pathology, 5(3), 331-343.



The correct answer is d Shape.

  • Neurons are the brain's data processing components, and their job is to send, receive, and transfer electrochemical impulses throughout the body. Neurons are the cells that form the peripheral nervous system . They are also referred as nerve cells.
  • Neurons, the nerve cells that comprise the peripheral nervous system, have a distinct appearance from the rest of the body's cells. These expansions' intricate branches, or arbours, are what give neurons their attractive, unusual, and unique shapes.
  • Neurons, on either hand, differ from other cells in the body in that they have distinct cell portions called dendrites and axons. Axons carry information impulses away from the cell, while dendrites carry electrical impulses to it. Electrochemical communication is used by neurons to connect with one another.
  • Neurons occur in a variety of sizes and forms. The cell bodies  some of the tiniest neurons are only four microns across. The cell bodies of some of the largest neurons are 100 microns across.
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