TECHNOLOGY
Gold, Susan Dudley

The Digestive and Excretory Systems

(3) 4-6 Human Body Library series. A succinct text identifies the organs that make up the digestive and excretory systems and ably explains how they function to nourish the body and eliminate waste. Illustrated with scientific diagrams and a few photos, the volume also discusses disorders that can affect these systems and touches on the importance of diet and exercise. Reading list, websites. Glos., ind.

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