← Chapter 23
Anatomy & Physiology · Chapter 23

Peristalsis & Segmentation

The smooth muscle in the gut wall moves food in two ways. Peristalsis pushes it along. Segmentation mixes it in place. Switch between them and watch.

Peristalsis

Gut motilitymove it or mix it
📷 Reference image
A real labeled figure to compare with the interactive above.
Peristalsis & Segmentation reference figure
Peristalsis & Segmentation — OpenStax, CC BY 3.0 (via Wikimedia Commons)