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.
Burning Calories At Home. Some of the best calorie-burning activities can happen in your home as well. Jumping rope, for example, burns 590 calories in one hour based on a 130-lb.person, and jogging in place can burn 400 to 500 calories per hour.