Forest Hitchhikers by The Hookshot , because this little fellows were the best in the movie! Abusive comment hidden. (Show it anyway.)
You're Growing on Me by Chay Hawes ... a proof that science can be cute :P love it Abusive comment hidden. (Show it anyway.)
I would say these are intestines for sure... you can see the mesenterium (the transparent thing which containes the arteries) check anatomy books and you will see that I'm right ^_^ Abusive comment hidden. (Show it anyway.)