if calories in > calories out = weight gain, then what does metabolism have to do with anything?

Question

How does someone’s metabolism impact the calories consumed vs calories burned equation?

In: Biology

Answer 1

Let’s take two cars for example. Car A 🚗 and car B 🚙

Car A drives really fast all the time, and usually averages 19 miles per gallon.

Car B drives a bit more steady and averages 23 miles per gallon.

On a road trip, car A will need “more fuel” to get to same distance as car B.