The term catabolism means:

A) transferring nutrients.
B) breaking down complex substances.
C) building up of body substance.
D) forming dry feces.

Catabolism

The breakdown of complex molecules in living organisms to form simpler ones, often releasing energy.

Complex Substances

Materials composed of two or more chemical elements or compounds, having intricate and multifaceted structures.

Nutrients

Substances obtained from food and used by our bodies for growth, energy, and maintaining health.