Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 35 - Self-Quiz - Page 619: 12

Answer

d.

Work Step by Step

A single motor neuron and the muscle fibers that are stimulated by it together constitute a motor unit. The motor unit acts as a single entity: When the motor neuron is stimulated, all of the muscle fibers controlled by it are also stimulated.
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