Digestion in the old and young
Always starts with teeth and tongue.
In pride a sandwich you create
And then proceed to masticate.
Cued by taste, the brain demands
Help from the saliva glands.
Then without great muss or fuss
It slides down the esophagus.
(Beware if you're the greedy type;
Don't let it stray down your wind pipe!)
Then the stomach, juices sloshing,
breaks down what you have been noshing.
Bile and stomach acid mix,
Breaking up those fatty cliques
That would never separate
If enzymes didn't set 'em straight.
Next we have the peristalsis,
Moving chyme like ballroom valses.
Intestines suck up what they want,
And the rest of that croissant
That you ate so recently
Is reduced by chemistry
To a momentary flush.
So, when dining – what's the rush?
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