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...

Extracted 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