In: Anatomy and Physiology
Indicate whether each statement is true or false:
1. The intestinal mucosa produces most of the secretions that
enter the small intestine, but the secretions of the spleen and the
pancreas also enter the small intestine and play essential roles in
digestion. True False
2. The mucus produced by the intestinal and duodenal glands and the
goblet cells protects the wall of the intestine from the effects of
the acidic chyme and from digestive
enzymes. True False
3. Small molecules, which are breakdown products of digestion, are
absorbed through the microvilli and enter the circulatory or
lymphatic system. True False
4. Mixing, propulsion, and mass peristalsis are the primary
mechanical functions of the small intestine. True False