Simplified diagram of <a href="https://en.wikipedia.org/wiki/catabolism" class="extiw" title="w:catabolism">catabolism</a> of <a href="https://en.wikipedia.org/wiki/protein" class="extiw" title="w:protein">proteins</a>, <a href="https://en.wikipedia.org/wiki/carbohydrate" class="extiw" title="w:carbohydrate">carbohydrates</a> and <a href="https://en.wikipedia.org/wiki/fat" class="extiw" title="w:fat">fats</a>.
<a href="//commons.wikimedia.org/wiki/User:%D0%94.%D0%98%D0%BB%D1%8C%D0%B8%D0%BD" title="User:Д.Ильин">Д.Ильин</a>: translation, optimization
<a href="//commons.wikimedia.org/wiki/File:Catabolism_schematic.svg" title="File:Catabolism schematic.svg">File:Catabolism schematic.svg</a> by <a href="https://en.wikipedia.org/wiki/User:TimVickers" class="extiw" title="w:User:TimVickers">Tim Vickers</a>, vectorized by <a href="//commons.wikimedia.org/wiki/User:Fvasconcellos" title="User:Fvasconcellos">Fvasconcellos</a>