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: 4



Work Step by Step

Option A is incorrect. Blood is confined in blood vessels in closed circulatory systems. Option C is incorrect. Alveoli are not involved in open circulatory systems. Option D is incorrect. Blood is required for exchange of gases in both open and closed circulatory systems. Option B is correct. In open circulatory systems, blood bathes the tissues and is not confined to closed blood vessels.
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