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="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>
<a href="https://en.wikipedia.org/wiki/Image:Catabolism.png" class="extiw" title="w:Image:Catabolism.png">w:Image:Catabolism.png</a>