Why is food needed for survival?

Question

Why is food needed for survival?

Answer 1

that is just a rumor ,put out by the liberals

and it is not true ,i think???

stop eating for 3 weeks

then come back and ask THIS QUESTION AGAIN ,make it a project

but dont cheat ,you musnt drink any water either

we dont need water ,that was invented by  Coca cola ,to get us drinking

Answer 2

You ARE kidding, right?

Answer 3

Food gives us calories, which are needed to keep body temperature up, cells replenished, and for energy.

  Without calories from food, we would not be able to think, walk, or move.  We would eventually shut down because we would have no energy.

  No one could survive without food.

Answer 4

In its most simplistic form:

food provides chemical energy so our cells, hence tissues, hence organs, hence body can be kept alive.

And to provide the chemical building blocks for us to grow.

Answer 5

Food is needed for survival in order to replenish the nutrients which comprise cell structures.

Answer 6

if you don't eat, you become too weak to do anything and eventually die