Biology

The human body is marvelous. It can move freely, act deliberately, and survive under the most variable conditions. Its construction is complex and its requirements many. 99

From "Exploring Man," from Behold Man: A Photographic Journeyoi Discovery Inside the Body, by Lennart Nilsson in collaboration with Jan Lindberg. English translation copyright © 1974 by Albert Bonniers, Förlag, Stockholm. Reprinted by permission of Little, Brown and Company.

National Science Teachers Association sciLINKS Internet resources are located throughout this un

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