Functions of the Gastrointestinal System

To prepare food for absorption into the body and utilization by the cells
To excrete any food material of no use to the body

 
Gastrointestinal System composed of:

Gastrointestinal tract
Accessory organs and structures

 
Gastrointestinal Tract

Approx 4.5 meters in length
Almost doubled when no muscle tone
A fibromuscular tube

 
Gastrointestinal tract is [...]

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