The body obtains fuel, raw materials, and essential nutrients from food. A hamburger contains minerals, vitamins, water, and several kinds of macromoleculescarbohydrates, proteins, nucleic acids, and fats. Large macromolecules must be digested— broken down to their smaller, simpler building blocks— before they can be absorbed into the blood. This activity reviews digestion and absorption.

When macromolecules are digested, what smaller molecules are produced? Begin by matching the macromolecules with the correct products of digestion from the pull-down menus.