Simplified diagram of the human Circulatory system in anterior view.
<a href="//commons.wikimedia.org/wiki/User:Edoarado" title="User:Edoarado">Edoarado</a>
<span class="int-own-work" lang="en">Own work</span>, basado en <a href="//commons.wikimedia.org/wiki/File:Circulatory_System_en.svg" title="File:Circulatory System en.svg">Circulatory System en.svg</a>, de <a href="//commons.wikimedia.org/wiki/User:LadyofHats" title="User:LadyofHats">LadyofHats</a>