Circular folds are

A) ridges in the wall of the stomach.
B) circumferential folds in the mucosa and submucosa of the small intestine.
C) fingerlike projections on the surface of the mucosa of the small intestine.
D) ridges on the external edges of the colon.
E) abnormal structures formed by excessive pressure in the small intestine.


Answer: B

Anatomy & Physiology

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