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?
Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter23: The Digestive System
Section: Chapter Questions
Problem 5ILQ: Watch this animation (http://openstaxcollege.org/l/sintestine) that depicts the structure of the...
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Transcribed Image Text: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?
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