Metabolism (from Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical transformations within the cells of living organisms.

Metabolic pathway –> Metabolic network

Metabolic mechanisms

Types of pathway

• Catabolic. Degrade molecules and release energy
• Anabolic. Construct molecules and consume energy

Energetics in metabolism

https://www.wikiwand.com/en/Metabolism