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\nWhy Don't Sled Dogs Ever Get Tired?\n

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\n\nPublisher:\n\nMinuteEarth\n\n\n
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\nThanks to Squarespace for sponsoring this video! Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism. Thanks also to our supporters on ___________________________________________ To learn...\nThanks to Squarespace for sponsoring this video! Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism. Thanks also to our supporters on ___________________________________________ To learn more about this topic, start your googling with these keywords: Glycolysis: The process by which glycogen is broken down into energy. Anaerobic metabolism: The creation of energy through the combustion of carbohydrates in the absence of oxygen. Aerobic metabolism: The creation of energy through the breakdown of fats, proteins, and carbohydrates. ATP: The principal molecule for storing and transferring energy in cells. Baseline Vital Signs: A subject’s temperature, pulse, respiration, blood pressure, pain, and pulse oximetry. ___________________________________________ Credits (and Twitter handles): Script Writer: David Goldenberg (@dgoldenberg) Script Editor: Emily Elert (@eelert) Video Illustrator: Ever Salazar (@eversalazar) Video Director: Kate Yoshida (@KateYoshida) Video Narrator: Kate Yoshida (@KateYoshida) With Contributions From: Henry Reich, Alex Reich, Peter Reich Music by: Nathaniel Schroeder _________________________________________ Like our videos? Subscribe to MinuteEarth on YouTube Support us on Patreon Also, say hello on: Facebook Twitter And find us on itunes ___________________________________________ If you liked this week’s video, we think you might also like: Skunk Bear on the Human Vs. Horse Marathon ___________________________________________ References: McDougall, C. (2011). Born To Run. McKenzie, M., Holbrook, T., Williamson, T., Royer, C., Valberg, S. ,Hinchcliff, K., Jose-Cunilleras, J., Nelson, S., Willard, M., and Davis, M. (2005). Recovery of Muscle Glycogen Concentrations in Sled Dogs during Prolonged Exercise. Medicine and Science in Sports and Exercise. 37(8). 1307-1312. Retrieved from Poole, D. and Erickson, H. (2011). Highly Athletic Terrestrial Mammals: Horses and Dogs. Comprehensive Physiology. 6:57. 1-37. Retrieved from Gerth, N., Redman, P., Speakman, J., Jackson, S., and Stark, J.M. (2010). Energy metabolism of Inuit sled dogs. Journal of Comparative Physiology. 180: 577-589. Retrieved from Miller, B., Drake, J., Peelor, F.,, Biela, L., Geor, R., Hinchcliff, K., Davis, M., Hamilton, K. (2015). Participation in a 1000-mile race increases the oxidation of carbohydrate in Alaskan sled dogs. Journal of Applied Physiology. 118(12):1502-1509. Retrieved from McKenzie, Ericka. (2017). Professor of large animal internal medicine at the Oregon State University College of Veterinary Medicine. Personal Communication.\n
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Grade
12th - Higher Ed
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Science
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Instructional Videos
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2017
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