Question

lateral. Two muscular srhuncters keep the stoniach contents from leaving the storna h food and stomach acid from keeps small intestine. Label Figure 10-6 with the terms the structure o nid from rerurning up the esophagus, and the pytoric sphincter p 1trem mov? " into the Examine provided. t the d move them small intestine, shown in Figure 10-7. The main function of the nutrients trom its I increased surface area. This is accomplished by four major adjustments to the sma derermine four ways in which the surface area is increased. Il intestine must have an haximize absorption, t ll intestine. Examine Figure 10-7.ad Musele tyers Brush Brush olds) crypt FIVE- FICURE 10-7 Surface area of the small intestine. 1. 2. 3. 4. , lood lows through

Answer 1

1. The intestinal mucosa and smooth muscles contains circular folds.

2 Villi are finger like projections in the duodenum

3. Microvilli

4. Brush border