How come your body burns 2000 calories a day by existing, but running a mile only burns 100 calories?

Question

How come your body burns 2000 calories a day by existing, but running a mile only burns 100 calories?

In: Biology

Answer 1

Think of running as adding a log to a campfire. The more you run, the more logs you add and the longer the campfire runs for. Eventually with enough running you can build a big enough campfire that will roast marshmallows like nothing.