HUN-1201 Lecture Notes - Lecture 3: Mucus, Probiotic, Ileum
12 Feb 2017
School
Department
Course
Professor
Document Summary
Mouth > esophagus > stomach > small intestine > large intestine . Lumen: the inner space within the gi tract. Mouth chews and mixes food with saliva. Pharynx directs food from mouth to esophagus. Trachea allows air to pass to and from lungs. Esophagus passes food from the mouth to the stomach. Esophageal sphincters allow passage from mouth to esophagus and from esophagus to stomach; prevents back ow from stomach to esophagus and from esophagus to mouth. Diaphragm separates the abdomen from the thoracic cavity. Stomach churns mixes, and grinds food to a liquid mass; adds acid, enzymes, and uid. Pyloric sphincter allows passage from stomach to small intestine,k prevents back. Liver manufactures bile slats, detergent-like substances to help digest fats. Bile duct conducts bile from the gallbladder to the small intestine. Small intestine secretes enzymes that digest all energy-yielding nutrients to smaller nutrient particles; cells of wall absorb nutrients into blood and lymph.
