NATS 1610 Lecture Notes - Lecture 21: Loose Connective Tissue, Sodium Bicarbonate, Pepsin
1 Mar 2018
School
Department
Course
Professor
Document Summary
References: text: human biology, starr and mcmillan, 10/ed. Also check other study materials in this link. Lecture outline: overview of the digestive system, components of the digestive system, wall of the digestive tract, stomach, accessory organs, pancreas, liver and gall bladder, small intestine, large intestine. Except for oxygen, food digestion and the absorption of nutrients provide all the. Raw materials that cells require to survive: overview of the digestive system, ingestion, secretion. Water, mucus, acid, buffers, & enzymes into lumen. Contractions of smooth muscles -- crush, mix, propel contents: digestion. Mechanical - tearing & crushing (increased surface area) Chemical - breaking down large carbohydrates, lipids, & proteins: absorption. Passage from gi tract into blood or lymph - water, ions, nutrients: defecation. Elimination of indigestible materials from gi tract (feces) Components of digestive system a digestive tube : salivary gland, esophagus, stomach. Summary of the structures of the digestive system in order food travels.
