Why are our face and hands more temperature resistant than the rest of our bodies?

Question

For example:
when we go outside our face is almost always uncovered until tge temperatures get way below freezing point. It’s also almost always uncovered when we sleep, eventhough the toom might be cold.

In: 3

Answer 1

You lose heat based on surface area exposed. The surface area of just your face and hands isn’t a lot of your body.