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Positive and Negative Feedback Loops

018 - Positive and Negative Feedback Loops Paul Andersen explains how feedback loops allow living organisms to maintain homeostasis. He uses thermoregulation in mammals to explain how a negative feedback loop functions. He uses fruit ripening to explain how a positive feedback loop functions. He also explains what can happen when a feedback look is altered. Diabetes mellitus is caused by an alteration in the blood glucose feedback loop. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/transla... All of the images are licensed under creative commons and public domain licensing: Apple, n.d. http://openclipart.org/detail/137929/.... Boy, n.d. http://openclipart.org/detail/127915/.... Burger. Summer Pond on Dubenka River near Borovkovo, June 15, 2005. Own work. http://commons.wikimedia.org/wiki/Fil.... Carroll, Timothy J. Signs On Columns, March 5, 2007. http://www.flickr.com/photos/tjc/4119.... en.wikipedia, Original uploader was Prisonblues at. English: Mechanism of Glucose Dependent Insulin Release, August 16, 2004. Transferred from en.wikipedia; transferred to Commons by User:Leptictidium using CommonsHelper. http://commons.wikimedia.org/wiki/Fil.... File:Diabetes Signs symptoms17.jpg, n.d. http://wikieducator.org/File:Diabetes.... "File:Diabetes World Map - 2000.svg." Wikipedia, the Free Encyclopedia. Accessed November 14, 2013. http://en.wikipedia.org/wiki/File:Dia.... "File:Duodenumandpancreas.jpg." Wikipedia, the Free Encyclopedia. Accessed November 14, 2013. http://en.wikipedia.org/wiki/File:Duo.... "File:Ethylene-3D-vdW.png." Wikipedia, the Free Encyclopedia. Accessed November 14, 2013. http://en.wikipedia.org/wiki/File:Eth.... "File:Paramecium.jpg." Wikipedia, the Free Encyclopedia. Accessed November 15, 2013. http://en.wikipedia.org/wiki/File:Par.... "File:Sphinx2 July 2006.jpg." Wikipedia, the Free Encyclopedia. Accessed November 14, 2013. http://en.wikipedia.org/wiki/File:Sph.... "File:Wiki Snake Eats Mouse.jpg." Wikipedia, the Free Encyclopedia. Accessed November 14, 2013. http://en.wikipedia.org/wiki/File:Wik.... Simple Tree, n.d. http://openclipart.org/detail/104527/.... Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: http://www.freesound.org/people/Cosmi... Creative Commons Atribution License