Human Body I

Britannica Illustrated

Science Library

All rights reserved.

Idea and Concept of This Work: Editorial Sol 90

Project Management: Fabiلn 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, Hernلn Caٌellas, Leonardo César,

José Luis Corsetti, Vanina Farيas, Manrique Fernلndez Buente,

Joana Garrido, Celina Hilbert, Inkspot, Jorge Ivanovich, Ivلn

Longuini, Isidro Lَpez, Diego Martيn, Jorge Martيnez, Marco

Menco, Marcelo Morلn, Ala de Mosca, Diego Mourelos, Laura

Mourelos, Pablo Palastro, Eduardo Pérez, Javier Pérez, Ariel

Piroyansky, Fernando Ramallo, Ariel Roldلn, Marcel Socيas,

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 Encyclopوdia Britannica, Inc.

Encyclopوdia Britannica, Britannica, and the thistle logo are

registered trademarks of Encyclopوdia 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