Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Chapter 39, Problem 5SQ
Summary Introduction
Introduction: The small intestine is the major organ in human body that is involved in the absorption of major nutrients, minerals, and water. The digested food from the stomach passes through the small intestine, and the cells present in the small intestinal wall absorb the nutrients and transport them to the blood vessels. The blood vessels carry them to the different parts of the body.
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Peristalsis in the digestive system is caused by the _____.
a)
contraction of smooth muscle layers
b)
action of digestive enzymes
c)
closing of the epiglottis
d)
stretching of the salivary glands
Monosaccharides and amino acids absorbed from the small intestine enter____ . a. blood vessels c. fat droplets b. lymph vessels d. bile
The primary function of the large intestine is to concentrate wastes into solid form (feces) for release from the body. How does it accomplish this?
a. By adding additional cells from the mucosal layer
b. By absorbing water
c. By releasing salt
d. All of these are methods used by the large intestine.
Chapter 39 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 39 - Human Adaptation to a Starchy Diet The human AMY-1...Ch. 39 - Human Adaptation to a Starchy Diet The human AMY-1...Ch. 39 - Human Adaptation to a Starchy Diet The human AMY-1...Ch. 39 - Prob. 1SQCh. 39 - Prob. 2SQCh. 39 - Prob. 3SQCh. 39 - A bird's keratin-lined _______ helps it grind up...Ch. 39 - Prob. 5SQCh. 39 - Prob. 6SQCh. 39 - The low pH of the _______ aids in protein...
Ch. 39 - Prob. 8SQCh. 39 - Prob. 9SQCh. 39 - Eating a healthy diet entirely of plant foods...Ch. 39 - Prob. 11SQCh. 39 - Prob. 12SQCh. 39 - Prob. 13SQCh. 39 - Match each substance with its description. _____...Ch. 39 - Match each organ with its digestive function in...Ch. 39 - Some people who have gallstones experience pain...Ch. 39 - A python can survive by eating a large meal once...Ch. 39 - Although rabbits cannot break cellulose down into...Ch. 39 - Cholera is a disease caused by bacteria that make...
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- Surgical removal of the pancreas would a) increase the acidity of the small intestine. b) prevent the production of chyme in the stomach. c) eliminate the ability to store bile in the gallbladder. d)block the secretion of bile. e) All of these changes would be a result of pancreas removal.arrow_forwardAfter _____ are absorbed by intestine cells, they go into lymph vessels rather than blood. A. minerals B. carbohydrates C. proteins D. lipidsarrow_forwardThe digestive juices from the liver are delivered to the ________. a. stomach b. liver c. duodenum d. colonarrow_forward
- Why does not the stomach break itself down? a) The stomach wall does not consist of protein so it is not affected by proteolytic enzymes b) The epithelial cells form a protective layer c) The breakdown enzymes are not strong enough to break down the stomach wall d) The stomach wall is protected by mucusarrow_forwardChemical and mechanical digestion begins in thea. stomach. c. esophagus.b. pharynx. d. moutharrow_forwardWhere does the pancreas dump digestive enzymes and buffers into the GI tract? A. it does not dump substances into the GI tract, it dumps substances into blood only B. in the duodenum just after food leaves the stomach C. just before food enters the stomach D. where the small intestine enters the large intestinearrow_forward
- The appendix connects to thea. cecum. d. large intestine.b. small intestine. e. liver.c. esophagus. f. All of these are correct.arrow_forwardProtein digestion in the stomach results primarily from secretions released by: (a) hepatocytes. (b) parietal cells. (c) chief cells. (d) goblet cells.arrow_forwardWhich of the following is incorrect regarding gastric juice?a. It is provided by the pancreas.b. It contains pepsin to digest protein.c. It has a pH of 2 due to hydrochloric acid.d. It is produced by the gastric glands.arrow_forward
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