This sample menu for a day gives you 37 grams of fiber: 1  Breakfast: whole-grain bran flake cereal (5 grams of fiber), half a banana (1.5 grams of fiber), and skim milk. 2  Snack: 24 almonds (3.3 grams of fiber) and a quarter cup of raisins (1.5 grams of fiber)
1 large circular folds called plicae circulares (shown in the diagram to the right), most numerous in the upper part of the small intestine. 2  smaller folds called villi, which are finger like mucosal projections, about 1mm long.o aid in digestion and absorption: 1  the small intestine secretes enzymes and has mucous producing glands. 2  The pancreas and liver also deliver their exocrine secretions into the duodenum. 3  The mucosa is highly folded.
Answers. Best Answer: rugae or folds give the stomach its well-known ability to enlarge when engorged with food. the outermost layer of these folds is mucus which helps protect the tissues below from the harsh environment of the stomach. The innermost layer is a lining of simple columnar epithelium.This type of epithelium provides the greatest surface area for absorption or secretion. In the stomach the epithelial cells exposed to the lumen are primarily constructed to resist digestion by the lumen contents.nswers. Best Answer: rugae or folds give the stomach its well-known ability to enlarge when engorged with food. the outermost layer of these folds is mucus which helps protect the tissues below from the harsh environment of the stomach. The innermost layer is a lining of simple columnar epithelium.