Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 23, Problem 2ILQ
Visit this site (http://openstaxcollege.org/l/fooddigestion2) for an overview of digestion of food in different regions of the digestive tract. Note the route of non-fat nutrients from the small intestine to their release as nutrients to the body.
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Visit this site (http://openstaxcollege.org/l/fooddigestion2) for an overview of digestion of food indifferent regions of the digestive tract. Note the route ofnon-fat nutrients from the small intestine to their release asnutrients to the body.
Match the following processes of the Digestive System to their specific description.
Match each item to a choice:
Choices:
Defecation
Digestion
Secretion
Mixing and propulsion
Ingestion
Absorption
the process by which food material are mixed together
and propelled within the GI tract.
the process by which micro molecules from the process
of digestion are absorbed within the small intestine.
the chemical and mechanical process of degrading food
material into small particles.
the act of taking something (food, medicine, liquid,
poison etc.) into the body through the mouth.
the process by which undigested food particle are
expelled out of the body.
the process by which chemical enzymes are secreted by
the Digestive System aiding Digestion.
Consider this statement:
"Gastric bypass surgery condemns the recipient to starve to death over many years."
Using your understanding of the digestive system, defend or refute the statement.
Include:
200-300 words
impact of gastric bypass on homeostasis
diagram of the digestive system to support your position
active enzymes and biological molecules involved in digestion
evidence-based argument for your position
Chapter 23 Solutions
Anatomy & Physiology
Ch. 23 - By clicking on this link...Ch. 23 - Visit this site...Ch. 23 - Watch this animation...Ch. 23 - Watch this animation...Ch. 23 - Watch this animation...Ch. 23 - By watching this animation...Ch. 23 - Watch this video...Ch. 23 - Which of these organs is not considered an...Ch. 23 - Which of the following organs is supported by a...Ch. 23 - Which of the following membranes covers the...
Ch. 23 - Which of these processes occurs in the mouth?...Ch. 23 - Which of these processes occurs throughout most of...Ch. 23 - Which of the following stimuli activates sensors...Ch. 23 - Which of these statements about reflexes in the GI...Ch. 23 - Which of these ingredients in saliva is...Ch. 23 - Which of these statements about the pharynx is...Ch. 23 - Which structure is located where the esophagus...Ch. 23 - Which phase of deglutition involves contraction of...Ch. 23 - Which of these cells secrete hormones? parietal...Ch. 23 - Where does the majority of chemical digestion in...Ch. 23 - During gastric emptying, chyme is released into...Ch. 23 - Parietal cells secrete ________. gastrin...Ch. 23 - In which pail of the alimentary canal does most...Ch. 23 - Which of these is most associated with villi?...Ch. 23 - What is the roLe of the small intestines MALT?...Ch. 23 - Which part of the large intestine attaches to the...Ch. 23 - Which of these statements about bile is true?...Ch. 23 - Pancreatic juice ________. deactivates bile. is...Ch. 23 - Where does the chemical digestion of starch begin?...Ch. 23 - Which of these is involved in the chemical...Ch. 23 - Where are most fat-digesting enzymes produced?...Ch. 23 - Which of these nutrients is absorbed mainly in the...Ch. 23 - Explain how the enteric nervous system supports...Ch. 23 - What layer of the alimentary canal tissue is...Ch. 23 - Offer a theory to explain why segmentation occurs...Ch. 23 - It has been several hours since you last ate....Ch. 23 - The composition of saliva varies from gland to...Ch. 23 - During a hockey game, the puck hits a player in...Ch. 23 - What prevents swallowed food from entering the...Ch. 23 - Explain the mechanism responsible for...Ch. 23 - Describe the three processes involved in the...Ch. 23 - Explain how the stomach is protected from self...Ch. 23 - Describe unique anatomical features that enable...Ch. 23 - Explain how nutrients absorbed in the small...Ch. 23 - Why is it important that chyme from the stomach is...Ch. 23 - Describe three of the differences between the...Ch. 23 - Why does the pancreas secrete some enzymes in...Ch. 23 - Describe the location of hepatocytes in the liver...Ch. 23 - Explain the role of bile salts and lecithin in the...Ch. 23 - How is vitamin B12 absorbed?
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- List the organs and accessory organs of the digestive system. On a separate piece of paper, list the main functions of each organ.arrow_forwardMatch the digestive system parts and functions.arrow_forwardThe lack of adequate saliva due to the absence of or diminished secretions by the salivary glands is known as zerostomia. _____________________arrow_forward
- Figure 34.19 Which of the following statements about digestive processes is true? Amylase, maltaseT and lactase in the mouth digest carbohydrates. Trypsin and lipase in the stomach digest protein. Bile emulsifies lipids in the small intestine. No food is absorbed until the small intestine.arrow_forwardRegarding the functions of the gastrointestinal system, match each term with the phrase that best describes or defines it an enzyme found in saliva and intestinal secretions that breaks down carbohydrate molecules like starches Lipid deposits in the non-adipose compartment of the body, a risk factor for chronic disease regardless of weight A prebiotic - a non-digestible oligosaccharide that provides nourishment for beneficial organisms in the gut A strain of bacteria that's very common in the human gut [Choose ] [Choose ] Bacteroidetes Amylase Lipase Salmonella Brown Fat Inulin Ectopic Fat [Choose] [Choose ]arrow_forwardDescribe in details the four basic digestion processes as they occur in the small intestines after consuming a high meal with fat contentarrow_forward
- Define the following processes happening in the digestive system: Ingestion Mechanical Digestion Chemical Digestion Motility: Peristalsis Motility: Segmentation Secretion Absorption Reabsorption (and Compaction) Defecationarrow_forwardThe salivary glands, pancreas, liver and gall bladder are considered accessory organs in the digestive system. They are not part of the digestive track but contribute to digestion. List the accessory organ associated with each the following functions. Produces bicarbonate to neutralize acidity as stomach contents enter the small intestine. Stores and releases bile to aid in breakdown of fats. Produces bile. Produces enzymes that enter the small intestine and aid in digestion. Moistens food Produces salivary amylase Produces hormones that regulate blood glucose levels. Stores glucose as glycogen (a polysaccharide)arrow_forwardB) You eat a bran muffin topped with brown sugar for breakfast. Summarize the process of carbohydrate digestion by explaining what happens to the muffin as it enters your mouth and passes through your gastrointestinal tract. Be sure to include the accessory organs and enzymes involved in digestion. Use as much space as you want.arrow_forward
- Name the major organs of the digestive system. Digestion (di-jest′yun) is the mechanical and chemical breakdown of foods and the absorption of the resulting nutrients by cells. Mechanical digestion breaks large pieces of food into smaller ones without altering their chemical composition. Chemical digestion breaks down larger nutrient molecules into simpler chemicals. The organs of the digestive system carry out these processes. The digestive system consists of the alimentary canal (al″i-men′tar-e kah-nal′), extending from the mouth to the anus, and several accessory organs that secrete into the canal substances that are used in digestion. The alimentary canal (from beginning to end) includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anus. The accessory organs include the salivary glands, liver, gallbladder, and pancreas (fig. 15.1; see reference plates 4, 5, and 6). Overall, the digestive system is a tube, open at both ends, that has an…arrow_forwardList three ways in which proteins or their digestion products can be absorbed from the small intestine.arrow_forwardDiscuss the mechanical and chemical digestion of starch,protein, and fat, describing all the steps of each.arrow_forward
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