Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 43, Problem 6TYK
Summary Introduction

Introduction:

The control of muscle contraction does not depend upon its ability to turn the cross-bridge cycle on and off, rather it depends on motor units to carry out the advanced control of each contraction. Each motor unit consists of muscle fibers that are innervated by branches of the axon coming out of a single efferent neuron.

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