Мозг лягушки
<a href="//commons.wikimedia.org/wiki/User:Zlir%27a" title="User:Zlir'a">Zlir'a</a>
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Amphibian_brain_uk.svg" title="File:Amphibian brain uk.svg">Amphibian brain uk.svg</a>