How does your body burn 2000 calories a day, but you have to run a mile to burn 100 extra?

Question

Basically the title. I saw this thing about how much you have to exercise to burn off certain foods and was wondering how your body burns so many calories by doing nothing.

In: 160

Answer 1

There is a background calorie count per hour just sitting there breathing using muscles in normal way. Running a mile burns 100 over the background usage.