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>.
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Webridge" title="User:Webridge">Webridge</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Webridge" title="User talk:Webridge">talk</a>)</li>
<li><a href="//commons.wikimedia.org/wiki/File:Catabolism_schematic.svg" title="File:Catabolism schematic.svg">Catabolism_schematic.svg</a>: <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></li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Catabolism_schematic.svg" title="File:Catabolism schematic.svg">Catabolism_schematic.svg</a></li></ul>