Computer Generated Cross Section 3d Model of Heart. You can get this model <a rel="nofollow" class="external text" href="https://www.cgtrader.com/3d-models/science-medical/medical/animated-realistic-human-heart-medically-accurate">here</a> and <a rel="nofollow" class="external text" href="http://www.turbosquid.com/3d-models/3d-model-human-heart-medically-accurate/1021860">here</a>. You can even watch it in 3d <a rel="nofollow" class="external text" href="https://sketchfab.com/models/168b474fba564f688048212e99b4159d">here.</a>
<a href="//commons.wikimedia.org/wiki/User:DrJanaOfficial" title="User:DrJanaOfficial">DrJanaOfficial</a>
<span class="int-own-work" lang="en">Own work</span>