The Digestive System
The digestive system is a system of organs that take in food, digest it to extract energy and nutrients, and expel the remaining waste. It incorporates the excretory and urinary systems, responsible for discharging waste from the body. The Digestive System Web Guide provides the “ins and outs” of the digestive, urinary and excretory systems.
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Expand All Guide SectionsDigestive System Basics
Forget the technical stuff: Perhaps you’re just curious about what happens to your food once ... read more »
The Digestive System for Kids
Parents and teachers looking for information on the digestive system for kids will ... read more »
Advanced Digestive System Resources
Get more in-depth coverage of the digestive system with these advanced digestive system ... read more »
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