Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 52 - The Reproductive System - Figure 52.14 - Inquiry Question: 1


Testicular hormones regulate the activity of the brain where it is an endocrine organ (anterior pituitary), so the absence of the testes would remove those hormones and change brain chemistry/function.

Work Step by Step

Think about the listed effects of sex hormones, including in the brain. It is important to recall from an earlier chapter that the brain is both a part of the nervous system and of the endocrine system.
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