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The Gastrointestinal Tract - TeachMeAnatomy
GI tract). Accessory organs (salivary glands, pancreas, and liver with gallbladder) produce necessary digestive enzymes and other materials, but are located outside of the tube. Be able to describe the basic anatomy and physiology of each of the organs and structures discussed in class as part of the digestive system:
anatomy of the gastrointestinal tract

[DOC File]THE DIGESTIVE SYSTEM
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b. bacterial toxins in the lower GI tract, spicy foods, and hyperacidity (precursor of nausea) will also initiate saliva production. 8. Sympathetic nervous control results in a thick mucin rich saliva and dry mouth (halitosis can result due to decomposing food molecules) Contains amylase to begin catabolism of starch. Nitric oxide (bactericidal ...
organs in the gastrointestinal tract

[DOC File]THE DIGESTIVE SYSTEM
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Irregular tube called alimentary canal or gastrointestinal (GI) tract. Food must first be digested, then absorbed, and later metabolized. Wall of the Digestive Tract. The wall of the digestive tract is formed by four layers of tissue: Mucosa—mucous epithelium. Submucosa—connective tissue. Muscularis—2-3 layers of smooth muscle
the gastrointestinal system

[DOC File]ANATOMY OF THE DIGESTIVE SYSTEM
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GI tract + accessory organs = digestive system. C. Pathway of food/functions of structures. 1. mouth. a. mechanical digestion. 1) teeth for mastication. 2) tongue for deglutition (swallowing)--with nervous system, forms words. 3) cheeks.lips—holds food in, helps in swallowing.
gi tract accessory organs

[DOC File]The Digestive System
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Waves of smooth muscle contractions that move material through the GI tract. Moving food back and forth across the internal wall of the small intestine. Mechanical digestion (three answers) Chemical digestion. Transport of nutrients from intestinal lumen to blood. Elimination of feces when stretch receptors are stimulated. Mass of food ready to ...
gi tract diagram

[DOC File]Chapter 24: The Digestive System
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hollow organs. accessory organs aid digestion. teeth. tongue. salivary glands. liver. gallbladder. pancreas. digestive processes. move food. ingestion = stuffing your mouth. propulsion moving food thru tract. swallowing. peristalsis. egestion defecation of wastes. digest food. mechanical digestion physically breaking food. chemical digestion ...
anatomy of gi tract diagram

[DOC File]CHAPTER 25 DIGESTIVE
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These are the longest part of the GI tract (9 feet long, 1” diameter) The small intestine is the most important region of the GI tract because almost all of the digestion and absorption of food takes place here. Structure. The small intestine needs a lot of surface area: 200 square meters, which is the floor space of a typical house.
gi tract order

[DOC File]The Digestive System: general anatomy, physiology, and ...
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Identify the organs of the gastrointestinal tract and the accessory organs of digestion. List and define the six primary processes of digestion performed by the gastrointestinal tract. LAYERS OF THE GI TRACT. Name the four basic tissue layers of the GI tract that are commonly found from the stomach to the anus.
upper gastrointestinal tract anatomy

Organs in the gi tract