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​The Body Machine

This song is by Bob Dorough and Jack Sheldon and appears on the compilation Schoolhouse Rock: Science Rock (1997).

When you look down the street, what do you see?
The street is overflowing with a lot of machines
Now I don't mean the buses, the trucks or cars
I'm talking about the people
Yeah, you know who they are

I'm a machine, you're a machine
Everybody that you know
You know, they are machines
To keep your engine running you need energy
For your high-powered, revved-up body machine
Your high-powered, revved-up body machine

Now I'd be a fool, if I said that the fuel that
We needed to burn was gasoline
Because the fuel we use is the stuff called food
And it puts out the power for our machine
You make a stop at the filling station
"Fill 'er up! One chicken sandwich to go!"
As you start to chew
Your body does it. All systems go

Now that sandwich contains some very important kinds of food energy for your body. The chicken gives you protein; bread, carbohydrates; mayonnaise, fat; and the lettuce has vitamins, plus cellulose (or roughage). Together these things help keep your body machine running smoothly

First the saliva, kind of like a driver
"Move to the rear of the mouth!"
But what it's doing
Along with teeth chewing
Is taking food and breaking it down

Down to the stomach
The food is pushed, the esophagus does its stuff (gulp, gulp)
And the stomach starts
Look at those moving parts
As the body machine churns up
Gastric juices operate on proteins
Fats and carbohydrates

In the stomach they do what they do
They take out nutrition and use it for you
And the cellulose, in those leaves you know
Will control the traffic flow
Helps the food to move along so the good stays in
And the bad gets goin'

I'm a machine, you're a machine
Everybody that you know
You know, they are machines
To keep your engine running you need energy
For your high-powered, revved-up body machine
Your high-powered, revved-up body machine

Then the small intestine does most of your digesting
By sending all the nutrients
In through the villi
Which look a little silli
But act as little vents
The bloodstream passes; the nutrients it catches
And takes them to the cells you see
You use what it delivers
And store some in the liver
For future energy

I'm a machine, you're a machine
Everybody that you know
You know, they are machines
To keep your engine running you need energy
For your high-powered, revved-up body machine
Your high-powered, revved-up body machine
Your high-powered, revved-up body machine
High-powered, revved-up, complicated tune-up
Fascinating body machine

Take care of that machine
You got such a great model there, honey
Give it the right fuel
High protein, low calorie
Take it out for a spin every day