This isn't a scientifically correct or established answer - just what I have heard and I naturally assume.
Most of it stays in you and creates body fat.
Well If You Eat Raw ( Uncooked ) Meat What it Will Do That You Will Have Worms And Parasites in Your Body
it hurts
If your hamburger goes green after a while it means moulds grown on it
It sleeps.
It gets tired. your body goes to rest.
The blood goes to all of the body parts.
Grass goes to a Cow. The cow is killed and cooked into a hamburger which, in turn gets consumed by humans.
Nothing it goes through your body.
It stimulates adrenaline.
It goes into there body and keeps them health.
It goes to the air
Yes because the food is chemically changing for example if you eat a hamburger it is not gonna come out as a hamburger when you go to the bathroom because your body digested it which chemically changed it.;)