See It · Metabolism and Nutrition

Metabolism Walkthrough

How your cells turn food into ATP, store fuel, and keep you warm, one step at a time. Go at your own pace. Nothing here is graded.

Speed

Think of it like this

Quick check

Wrong answers are fine here. Read why, then try again.

Dr. Akash Garg · See It: Anatomy & Physiology · Chapter 24, Metabolism and Nutrition (OpenStax Anatomy & Physiology 2e) · Use the left and right arrow keys to move between steps. Try it hands-on in the Metabolism Lab.
Diagrams are simplified and not to scale. Molecules are cartoons, only a few of the many enzyme steps are shown, and processes are sped up so you can watch them. ATP totals follow OpenStax; other textbooks give slightly different numbers.