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9. Look at the two images below. You are looking at intestinal villi. Given that much of the absorption of nutrients occur in the intestine through the villi, which of these three tissues do you think is more effective in nutrient absorption? Which is the least efficient? Image A Image B Images from Ludvigsson et al., 2009 Image C 10. Up until now, we have concentrated on the absorption of nutrients and the elimination of metabolic wastes. What other variables are influenced by the available surface area? 11. Can you think of any biological structure in each environment where the most adaptive state may actually be the condition where the SA:V ratio is actually minimized? In other words, when may it be a selective disadvantage to have a volume?

9. Look at the two images below. You are looking at intestinal villi. Given that much of the absorption of nutrients occur in the intestine through the villi, which of these three tissues do you think is more effective in nutrient absorption? Which is the least efficient? Image A Image B Images from Ludvigsson et al., 2009 Image C 10. Up until now, we have concentrated on the absorption of nutrients and the elimination of metabolic wastes. What other variables are influenced by the available surface area? 11. Can you think of any biological structure in each environment where the most adaptive state may actually be the condition where the SA:V ratio is actually minimized? In other words, when may it be a selective disadvantage to have a volume?

Human Anatomy & Physiology (11th Edition)
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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### Educational Content on Intestinal Villi #### Image Analysis 9. Look at the three images below. You are looking at intestinal villi. Given that much of the absorption of nutrients occur in the intestine through the villi, which of these three tissues do you think is more effective in nutrient absorption? Which is the least efficient? - **Image A**: Displays a cross-sectional view of intestinal villi with a visible brush border, suggesting a larger surface area potentially contributing to effective absorption. - **Image B**: Shows a denser arrangement of villi, which might indicate moderate absorption ability. - **Image C**: Features fewer, thicker villi, which might indicate a less efficient absorption capacity compared to the others. *Images from Ludvigsen et al., 2009* #### Questions for Consideration 10. Up until now, we have concentrated on the absorption of nutrients and the elimination of metabolic wastes. What other variables are influenced by the available surface area? 11. Can you think of any biological structure in each environment where the most adaptive state may actually be the condition where the SA/V ratio is actually minimized? In other words, when may it be a selective disadvantage to have a high surface area relative to the volume? --- These questions are meant to encourage critical thinking about the role of structure in biological function, particularly in nutrient absorption within the intestines.
Transcribed Image Text:### Educational Content on Intestinal Villi #### Image Analysis 9. Look at the three images below. You are looking at intestinal villi. Given that much of the absorption of nutrients occur in the intestine through the villi, which of these three tissues do you think is more effective in nutrient absorption? Which is the least efficient? - **Image A**: Displays a cross-sectional view of intestinal villi with a visible brush border, suggesting a larger surface area potentially contributing to effective absorption. - **Image B**: Shows a denser arrangement of villi, which might indicate moderate absorption ability. - **Image C**: Features fewer, thicker villi, which might indicate a less efficient absorption capacity compared to the others. *Images from Ludvigsen et al., 2009* #### Questions for Consideration 10. Up until now, we have concentrated on the absorption of nutrients and the elimination of metabolic wastes. What other variables are influenced by the available surface area? 11. Can you think of any biological structure in each environment where the most adaptive state may actually be the condition where the SA/V ratio is actually minimized? In other words, when may it be a selective disadvantage to have a high surface area relative to the volume? --- These questions are meant to encourage critical thinking about the role of structure in biological function, particularly in nutrient absorption within the intestines.
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