Understanding the 3 Key Functions of the Digestive System
The three main organ functions of the digestive system are:
Ingestion: This is the process of taking in food through the mouth. The teeth, tongue, and saliva all play a role in ingestion.
Digestion: This is the process of breaking down food into smaller molecules that the body can absorb. The stomach, small intestine, and large intestine all play a role in digestion.
Absorption: This is the process of taking in nutrients from digested food. The small intestine and large intestine both play a role in absorption.
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