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

Does a car burn fuel when idling? Yes.
Do we need energy to function? Yes.

2000 calories is like out idle consumption. The 100 calories burned when running is like calories over your base rate.

Note that 2000 is a rough number. If you’re not doing much a particular day it is possible you might burn much less. Some have a higher BMR and that 2000 might be more like 2500