Which region(s) of the alimentary canal possess villi? Why?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Which region(s) of the alimentary canal possess villi? Why?
O All regions of the alimentary canal because all epithelial cells possess villi.
O The stomach because it is responsible for more mechanical digestion than the other regions.
O The stomach, small intestine and large intestine because they are all lined by a simple columnar epithelium.
O The small intestine and large intestine because they are the longest and must move the chyme efficiently.
O The small intestine to increase the surface area for absorption.
Question 36
What is a common cause of gastric ulcers?
O consumption of spicy food
stress
O consumption of acidic food
O Helicobacter pylori
O displacement of the esophagus
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