Why Don’t Sled Dogs Ever Get Tired?

Thanks 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