Human Anatomy & Physiology (9th Edition)

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

Chapter 27 - The Reproductive System - Review Questions - Page 1062: 5


B. a result of male or female sex hormones increasing in amount at puberty

Work Step by Step

Sex characterisics are basically feautures that are seen when a human undergoes puberty. These are charactersics that differentiate from males and females.
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