Human Anatomy & Physiology (9th Edition)

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

Chapter 6 - Bones and Skeletal Tissues - Review Questions - Page 197: 9


Bone remodeling in adults is regulated and directed mainly by (d) mechanical stress and (e) PTH

Work Step by Step

-(a) growth hormone is wrong because GH affects the growth of children and slows with aging. Once aging takes over it is mainly used for maintaining tissues and organs. -(b) thyroid hormones is wrong because it has nothing to do with bones remodeling. Just metabolism of food and muscles. So no dealing with bones. -(c) sex hormones are messengers for organs and cells and help our body's stay balanced. -(d) mechanical stress and (e) PTH are right through process of elimination.
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