© 2008 Editorial Sol 90
All rights reserved.
Idea and Concept of This Work: Editorial Sol 90
Project Management: Fabián Cassan
Photo Credits: Corbis, ESA, Getty Images, Graphic News,
NASA, National Geographic, Science Photo Library
Illustrators: Guido Arroyo, Pablo Aschei, Carlos Francisco
Bulzomi, Gustavo J. Caironi, Hernán Cañellas, Leonardo César,
José Luis Corsetti, Vanina Farías, Manrique Fernández Buente,
Joana Garrido, Celina Hilbert, Inkspot, Jorge Ivanovich, Iván
Longuini, Isidro López, Diego Martín, Jorge Martínez, Marco
Menco, Marcelo Morán, Ala de Mosca, Diego Mourelos, Laura
Mourelos, Pablo Palastro, Eduardo Pérez, Javier Pérez, Ariel
Piroyansky, Fernando Ramallo, Ariel Roldán, Marcel Socías,
Néstor Taylor, Trebol Animation, Juan Venegas, Constanza
Vicco, Coralia Vignau, Gustavo Yamin, 3DN, 3DOM studio
Composition and Pre-press Services: Editorial Sol 90
Translation Services and Index: Publication Services, Inc.
Portions © 2008 Encyclopædia Britannica, Inc.
Encyclopædia Britannica, Britannica, and the thistle logo are
registered trademarks of Encyclopædia Britannica, Inc.
Britannica Illustrated Science Library Staff
Editorial
Michael Levy, Executive Editor, Core Editorial
John Rafferty, Associate Editor, Earth Sciences
William L. Hosch, Associate Editor, Mathematics and
Computers
Kara Rogers, Associate Editor, Life Sciences
Rob Curley, Senior Editor, Science and Technology
David Hayes, Special Projects Editor
Art and Composition
Steven N. Kapusta, Director
Carol A. Gaines, Composition Supervisor
Christine McCabe, Senior Illustrator
Media Acquisition
Kathy Nakamura, Manager
Copy Department
Sylvia Wallace, Director
Julian Ronning, Supervisor
Information Management and Retrieval
Sheila Vasich, Information Architect
Production Control
Marilyn L. Barton
Manufacturing
Kim Gerber, Director
Britannica Illustrated
Science Library
Britannica Illustrated
Science Library
Encyclopædia Britannica, Inc.
Jacob E. Safra, Chairman of the Board
Jorge Aguilar-Cauz, President
Michael Ross, Senior Vice President, Corporate Development
Dale H. Hoiberg, Senior Vice President and Editor
Marsha Mackenzie, Director of Production
International Standard Book Number (set):
978-1-59339-797-5
International Standard Book Number (volume):
978-1-59339-809-5
Britannica Illustrated Science Library: Human Body I 2008
Printed in China
www.britannica.com