Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 31, Nervous System - Assessment - 31.1 The Neuron - Understand Key Concepts/Think Critically - Page 916: 2



Work Step by Step

Option a. is incorrect. The myelin sheet wraps around the axon. Option b. is incorrect. The axon is the long thin thread that conducts impulses away from the cell body. Option c. is incorrect. Dendrites are thin projections that receive impulses from other cells and transmits them to the cell body. Option d. is correct. The cell body of a neuron is normally the largest part of the cell and contains a lot of the cytoplasm along with the nucleus of the neuron.
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