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(BQ) Ebook Life science: Systems of the Human Body presents about how is your body’s circulatory system like a car’s fuel system? What are the sacs with thin walls that are at the end of the bronchioles called? If you hold your breath, what gas builds up in your blood?. | Genre Comprehension Skill Text Features Science Content Nonfiction Sequence Captions Labels Diagrams Glossary Human Body Systems Scott Foresman Science 5.3 PEARSON Scott Foresman ft jiii III scottforesman.com Vocabulary air sacs artery bronchioles capillary esophagus mucus trachea valve vein Picture Credits Every effort has been made to secure permission and provide appropriate credit for photographic material. The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions. Photo locators denoted as follows Top T Center C Bottom B Left L Right R Background Bkgd . 6 National Cancer Institute Photo Researchers Inc. 9 Dennis Kunkel Phototake 14 Innerspace Imaging Photo Researchers Inc. Scott Foresman Dorling Kindersley would also like to thank Denoyer-Geppert International DK Images for use of photos on the Opener and pages 1 c 3 TL CL CA CRA 8 CB 10 13 CB 15 CB 16 CLB 19 c 20 22 CB 23 CA . Unless otherwise acknowledged all photographs are the copyright of Dorling Kindersley a division of Pearson. ISBN 0-328-13923-8 Copyright Pearson Education Inc. All Rights Reserved. Printed in the United States of America. This publication is protected by Copyright and permission should be obtained from the publisher prior to any prohibited reproduction storage in a retrieval system or transmission in any form by any means electronic mechanical photocopying recording or likewise. For information regarding permission s write to Permissions Department Scott Foresman 1900 East Lake Avenue Glenview Illinois 60025. 3456789 10 V010 13 12 11 10 09 08 07 06 05 Systems of the Human Body by Raymond Wong What are the systems of the human body A car is a very complicated machine with many different systems in it. A system is a group of parts that work together to do a job. A car has a system to move fuel to the engine. It also has a system to keep the engine cool. Another system removes the waste the engine creates. All these systems must