Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 27, Animal Systems I - Standardized Test Prep - Page 805: 7

Answer

B

Work Step by Step

Option A is incorrect. The circulatory system supplies cells with oxygen and nutrients. Option C is incorrect. The respiratory system exchanges oxygen and carbon dioxide between the body and its environment. Option D is incorrect. The digestive system breaks down food. Option B is correct. The excretory system gets rid of the body's metabolic wastes.
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