Anatomy & Physiology · Chapter 2

The Molecules of Life

Almost everything in your body is built from just four families of organic molecules. Each one snaps together from small, repeating parts called monomers. There is also one special molecule that powers it all. Pick one and watch it build.

Carbohydrates

Carbohydratesthe body's quick fuel

The four families (+ ATP)

📷 Reference image
A real labeled figure to compare with the interactive above.
The Molecules of Life reference figure
The Molecules of Life — labeled reference figure