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BIOL 110 Chapter 40

by: Rebecca Istre

BIOL 110 Chapter 40 Biol 110

Rebecca Istre
University of Louisiana at Lafayette

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In class notes of Chapter 40
Intro to biological sciences
Dr. Phyllis Griffard
Class Notes
25 ?




Popular in Intro to biological sciences

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This 1 page Class Notes was uploaded by Rebecca Istre on Friday April 22, 2016. The Class Notes belongs to Biol 110 at University of Louisiana at Lafayette taught by Dr. Phyllis Griffard in Spring 2016. Since its upload, it has received 11 views. For similar materials see Intro to biological sciences in Biology at University of Louisiana at Lafayette.


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Date Created: 04/22/16
Biology Ch 40  Surface with lots of exchange= thin  Surface with little exchange= thick  Respiratory structures exchange gases  EX grasshopper has holes that allow gasses in (they don’t breathe but have an open blood structure, which is why bugs aren’t large)  Both bugs and mammals have “branches” and thin walls to help gases get to and from cells  grasshoppers require O2 for the final receptor of the electron transport chain  CO2 is made in the citric acid cycle and pyruvate breakdown  Lots of folds and branches increase surface area  Intestinal epithelial has a large surface area because of “bumps” for the absorption of nutrients  Fish gills have folds  Homeostasis: the need for cells to have a constant environment  EX same concentration of water on inside and outside cell  Glycogen: polymer of glucose  (EX on slide) Set point: blood sugar sensor: pancreas effector: liver and pancreas 


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