Biology 2010 Student Edition

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

Chapter 25, Introduction to Animals - Standardized Test Prep - Page 749: 5



Work Step by Step

Option A is incorrect. The circulatory system brings oxygen and nutrients to cells. Option C is incorrect. The nervous system gathers sensory information from the environment. Option D is incorrect. The digestive system breaks down food. Option B is correct. The excretory systems gets rid of metabolic wastes.
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