What is Life? A Guide to Biology with Physiology
3rd Edition
ISBN: 9781464157745
Author: Jay Phelan
Publisher: W. H. Freeman
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Question
Chapter 22, Problem 11SA
Summary Introduction
To review:
The structural feature of the small intestine that is crucial for the absorption of nutrients into the bloodstream.
Introduction:
The larger the surface area, the better the absorption of the nutrients into the tissue.
Expert Solution & Answer
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Why is the internal surface of the small intestine arranged into progressively smaller folds? What are these folds called?
What structural feature of the small intestine makes it better suited forabsorption of nutrients than the stomach?
How is the structure of the small intestine better adapted for absorption than that of the large intestine?
Chapter 22 Solutions
What is Life? A Guide to Biology with Physiology
Ch. 22 - Prob. 1SACh. 22 - Prob. 2SACh. 22 - Prob. 3SACh. 22 - Prob. 4SACh. 22 - Prob. 5SACh. 22 - Prob. 6SACh. 22 - Prob. 7SACh. 22 - Prob. 8SACh. 22 - Prob. 9SACh. 22 - Prob. 10SA
Ch. 22 - Prob. 11SACh. 22 - Prob. 12SACh. 22 - Prob. 13SACh. 22 - Prob. 14SACh. 22 - Prob. 15SACh. 22 - Prob. 16SACh. 22 - Prob. 1MCCh. 22 - Prob. 2MCCh. 22 - Prob. 3MCCh. 22 - Prob. 4MCCh. 22 - Prob. 5MCCh. 22 - Prob. 6MCCh. 22 - Prob. 7MCCh. 22 - Prob. 8MCCh. 22 - Prob. 9MCCh. 22 - Prob. 10MCCh. 22 - Prob. 11MCCh. 22 - Prob. 12MCCh. 22 - Prob. 13MCCh. 22 - Prob. 14MCCh. 22 - Prob. 15MC
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- Explain the differences between the digestion roles of the small and large intestines. Does the appendix also have a digestive function?arrow_forwardWhat are the main functions of the stomach? What roles do enzymes and hormones play?arrow_forwardWhat is the role of the accessory organs in digestion?arrow_forward
- What is the importance of the small intestine having a large surface area?arrow_forwardThe small intestine can be divided into 3 regions: duodenum, jejunum, ileum. How does the unique structure of each region match its function?arrow_forwardWhat are the major anatomical differences between the small and large intestines?arrow_forward
- What makes the surface area of the small intestine so large, when it is only about 6 meters long?arrow_forwardWhat is the primary function of the large intestine? Why is this important? Mucus is secreted everywhere along the digestive tract. What purpose does it serve? Why do you think that the number of goblet cells (produce mucus) is so much higher in the large intestine?arrow_forwardWhat structural modification of the stomach wall underlies the stomach’s ability to mechanically break down food?arrow_forward
- Which portion of the small intestine is the longest?arrow_forwardName the serous membranes that suspend the intestines from the posterior body wall. Name the external layer of the intestines formed by an extension of this membrane?arrow_forwardWhich substances resulting from digestion of carbohydrate,protein, and fat molecules does the small intestine absorb?arrow_forward
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