Definition of organism for English Language Learners. : 1  an individual living thing. : 2  a system with many parts that depend on each other and work together.
Figuring out how many calories you burn when running is, on a simple level, a fairly straightforward calculation. Most experts (and lots of studies) suggest that a person of average weight burns about 100 calories in a mile of running.
Last updated: Aug 26, 2011. Running or jogging is a great way to burn calories (approximately 100 calories for every mile ran), really works the cardio system, tones and shapes the legs and if your run uphill, attack those glutes too. Learn how to make a healthier YOU! Some people like to run while others like to walk.