Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 33.3, Problem 1CC
How does swallowed food reach the stomach of a weightless astronaut in orbit?
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What structural modification of the stomach wall underlies the stomach’s ability to mechanically break down food?
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(A) lamina propria
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(D) serosa
(E) muscularis externa
Chapter 33 Solutions
Campbell Biology in Focus
Ch. 33.1 - An animal requires 20 amino acids to make...Ch. 33.1 - Prob. 2CCCh. 33.1 - WHAT IF? if a zoo animal eating ample food shows...Ch. 33.2 - Prob. 1CCCh. 33.2 - In what sense are nutrients from a recently...Ch. 33.2 - Prob. 3CCCh. 33.3 - How does swallowed food reach the stomach of a...Ch. 33.3 - Explain why a proton pump inhibitor, such as the...Ch. 33.3 - Prob. 3CCCh. 33.4 - Prob. 1CC
Ch. 33.4 - Prob. 2CCCh. 33.4 - Prob. 3CCCh. 33.5 - Prob. 1CCCh. 33.5 - The energy required to maintain each gram of body...Ch. 33.5 - Prob. 3CCCh. 33 - The mammalian trachea and esophagus both connect...Ch. 33 - Which organ is incorrectly paired with its...Ch. 33 - Which of the following is not a major activity of...Ch. 33 - Prob. 4TYUCh. 33 - Prob. 5TYUCh. 33 - If you were to jog 1 km a few hours after lunch,...Ch. 33 - Prob. 7TYUCh. 33 - FOCUS ON EVOLUTION The human esophagus and trachea...Ch. 33 - Prob. 9TYUCh. 33 - Prob. 10TYU
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- What are the main functions of the stomach? What roles do enzymes and hormones play?arrow_forwardWhat would be the significance of selectively destroying gastric vagal innervations on pepsin production?arrow_forwardDetermine the initial site of digestion (chemically) of the following:(1) Carbohydrates(2) Lipids(3) Proteinsarrow_forward
- How does gastrointestinal tract evade dehydration? 1) Alternating wave-like contraction and relaxatio of the oral (mouth) muscles reabsorbs water which will be transported to the urinary system 2) water is an important digestive enzyme in the stomach. 3) Normal peristaltic movements in the large intestine ensure reabsorption of water that will be delivered to the circulatory system. 4) the water we drink will be mostly absord by the blood vessels attached to the esophagus and stomach. Skip questionarrow_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 regions of the digestive tube is associated with the function of "mechanical" digestion? 1. mouth 2. esophagus 3. stomach 4. liver 5. large intestine (colon) Choose from the following: (A) 1 and 2 (B) 1, 2, and 3 (C) 2 and 3 (D) 1 and 3 (E) 2 and 4 (F) 3 and 4 (G) 3, 4, and 5arrow_forward
- What is the specific role of pepsin and pancreatin in protein digestion? Where can these enzymes be found in the body?arrow_forward(i) Draw a well labeled diagram of human digestive system(ii) Describe the role of following in digestion.a) Bileb) Salivary amylasec) HClarrow_forwardHow does poor nutrition affect the physiology of the digestive system? As future nutrition and dietetics professionals, what will be the significance of knowing the anatomy and physiology of the digestive system?arrow_forward
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