What is an analogy for each function of the small intestine?

Absorption:

- Analogy: A grocery store where nutrients are "purchased" and transported throughout the body.

Digestion:

- Analogy: A blender that breaks down food particles into smaller, absorbable forms.

Peristalsis:

- Analogy: A conveyor belt that moves food along the small intestine.

Secretion:

- Analogy: A water park with various "stations" releasing digestive enzymes and mucus.