Metabolism is every chemical reaction in the body. It runs in two directions. One builds molecules and stores energy. The other breaks them down and frees energy. Switch between them.
Catabolism
Metabolismbuild up · break down
ATP is the cell's energy money. Catabolism charges it (ADP → ATP). Anabolism and all other cell work spend it (ATP → ADP).
📷 Reference image
A real labeled figure to compare with the interactive above.
Anabolism & Catabolism — OpenStax, CC BY 4.0 (via Wikimedia Commons)
