Campbell Biology (11th Edition)

by Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky

Published by Pearson

ISBN 10: 0-13409-341-0

ISBN 13: 978-0-13409-341-3

Chapter 49 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 1104: 4

Answer

Work Step by Step

The hypothalamus regulates circadian rhythm.

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