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.
Jogging Off the Pounds. Jogging at a pace between 5 and 6 mph can burn several hundred calories, which is helpful if you wish to use this simple exercise as a method of losing weight. At 5 mph, a 190-pound person burns approximately 690 calories in an hour, notes the Wisconsin Department of Health and Family Services.