Human Biology: Concepts and Current Issues - With Access (Custom)
Human Biology: Concepts and Current Issues - With Access (Custom)
15th Edition
ISBN: 9781323045237
Author: Johnson
Publisher: PEARSON
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Chapter 6, Problem 9CR
Summary Introduction

To review:

Motor unit and effects of its size and number on muscle strength and fine motor control.

Introduction:

A motor unit is defined as a collection of single motor neurons and all the muscle cells it controls. A motor neuron can control more than one muscle cell, but each muscle cell can be controlled by only one neuron.

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Human Biology: Concepts and Current Issues - With Access (Custom)

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