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

Answer

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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