How Your Small Intestine Moves Food | 3D Digestive System

Your small intestine isn't simply a tube that pushes food forward. Its muscular wall performs different coordinated movements that help digestion work efficiently.

In this premium 3D medical-science animation, discover how segmentation contractions repeatedly mix intestinal contents and how peristalsis helps move them along the digestive tract.

WHAT YOU'LL LEARN:
• The three sections of the small intestine: duodenum, jejunum, and ileum.
• How circular smooth-muscle contractions create segmentation.
• Why mixing helps food interact with digestive fluids.
• How peristalsis contributes to forward movement.
• Why intestinal motility is important for digestion and nutrient absorption.

Explore human digestive anatomy, gastrointestinal motility, intestinal muscle contractions, and the biology behind everyday body functions.

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