Heart: amazed by Brain's explanation on the bloodstream Brain: More talking. Right Lung: Bored as heck. Left lung: "I need space.." Liver: listening Stomach: wants to vomit. Kidneys: Silent Intestines: also wants to vomit. Bladder: Sleeping. you can do anything you want, even be a organ or narrator, I seriously don't care, it's 3:32 Am.