Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 7 - The Skeleton - Review Questions - Page 247: 6

Answer

The four normal curvatures are the cervical, lumbar, thoracic, and sacral trunk.

Work Step by Step

-The primary curvatures are the Thoracic and the Sacral Arch. Their job is to accommodate the visceral organs. -The secondary curvatures are the Cervical and Lumbar arch. Their job is to shift weight over legs and trunk.
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