Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 39, Problem 3SQ
Summary Introduction
Introduction: Small intestine is the major organ in human body that is involved in the absorption of major nutrients. The digested food from the stomach passes through the small intestine, the cells absorbs the nutrients and transports them to blood vessels.
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Chemical and mechanical digestion begins in thea. stomach. c. esophagus.b. pharynx. d. mouth
Where 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 intestine
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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- The bile from the liver is delivered to the _______. a. stomach b. liver c. small intestine d. colonarrow_forwardBile has a role in _________ digestion and absorption. a. carbohydrate c. protein b. fat d. amino acidarrow_forwardPeristalsis 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 glandsarrow_forward
- The digestive juices from the liver are delivered to the ________. a. stomach b. liver c. duodenum d. colonarrow_forwardMost of the absorption of food molecules takes place in thea. stomach.b. liver.c. small intestine.d. large intestine.arrow_forwardWhich organ of the body produces the fluid known as bile? A. Liver B. Pancreas C. Gall bladder D. Kidneyarrow_forward
- The organ that releases bile into the small intestine is the gall bladder, which is simply a storage site for the bile. Where in the digestive system is bile created? a) pancreas b) colon c) liver d) stomacharrow_forwardProtein digestion in the stomach results primarily from secretions released by: (a) hepatocytes. (b) parietal cells. (c) chief cells. (d) goblet cells.arrow_forwardThe vast majority of fat digestion and absorption occurs in the? A. Liver B. Stomach C. Large intestine D. Small intestinearrow_forward
- Although the stomach is normally thought of as the major player in the digestive process, the bulk of chemical digestion actually occurs in the a. mouth. b. appendix. c. duodenum. d. large intestine.arrow_forwardThe low pH of the_______ aids in protein digestion. a. stomach c. large intestine b. small intestine d. esophagusarrow_forwardThe small intestine is specialized for absorption because it a. is the last section of the digestive tract and retains food the longest. b. has saclike extensions along its length that collect food. c. has no outlet so food remains within it for longer periods of time. d. has an extremely large surface area that allows extended exposure to food.arrow_forward
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