Question

what is the first job of the small intestine? ingest food eliminate waste digest macromolecules build macromolecules

Explanation:

The small intestine's main functions include digestion and absorption. Ingesting food is the mouth's role. Eliminating waste is the large intestine's job. Building macromolecules isn't the small intestine's primary initial task. Digesting macromolecules (like proteins, carbohydrates, and fats into smaller units) is a key early function of the small intestine.

Answer:

digest macromolecules