Human Anatomy and Physiology

Biology 1120

Outcomes -Knowledge Check list
The GI tract has its own nervous system called the enteric nervous system
LO 23.3.1 Describe stimuli and controls of digestive activity.
23.4Ingestion occurs only at the mouth
LO 23.4.1 Describe the gross and microscopic anatomy and the basic functions of the mouth and its associated organs.
LO 23.4.2 Describe the composition and functions of saliva, and explain how salivation is regulated.
LO 23.4.3 Explain the dental formula and differentiate clearly between deciduous and permanent teeth.
23.5The pharynx and esophagus move food from the mouth to the stomach
LO 23.5.1 Describe the anatomy and basic functions of the pharynx and esophagus.
LO 23.5.2 Describe the mechanism of swallowing.
23.6The stomach temporarily stores food and begins protein digestion
The liver secretes bile; the pancreas secretes digestive enzymes
LO 23.7.1 Describe the histologic anatomy of the liver and pancreas.
LO 23.7.2 State the roles of bile and pancreatic juice in digestion.
LO 23.7.3 Describe the role of the gallbladder.
LO 23.7.4 Describe how bile and pancreatic juice secretion into the small intestine are regulated.
The small intestine is the major site for digestion and absorption
LO 23.8.1 Identify and describe structural modifications of the wall of the small intestine that enhance the digestiveprocess.
LO 23.8.2 Differentiate between the roles of the various cell types of the intestinal mucosa.
LO 23.8.3 Describe the functions of intestinal hormones and paracrines.
23.9The large intestine absorbs water and eliminates feces
LO 23.9.1 List the major functions of the large intestine.
LO 23.9.4 Describe the regulation of defecation.
23.10Digestion hydrolyzes food into nutrients that are absorbed across the gut epithelium
LO 23.10.1 Describe the general processes of digestion and absorption.
23.11How is each type of nutrient processed?
LO 23.11.1 List the enzymes involved in digestion; name the foodstuffs on which they act.

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