Why do human have to eat food?

Question

Why do human have to eat food?

Answer 1

Well, humans need energy to do anything,even to move a finger. Where do we get that energy from? Food contains all sorts of minerals, vitamins, proteins, carbohydrates, fats etc..that can be converted to energy by our body.

So, we need food to live!

Answer 2

To survive...Duh !

Answer 3

because we cant eat other things beside food

Answer 4

we humans and animals eat food because we are composed of carbon ,,if we could exist on the hydrogen cycle we could just drink water

Answer 5

Because Human mustr eat food....

Answer 6

because the food don't eat human.