This clip explains the purpose of food: fuel for the body. It illustrates the digestive system and explains the importance of nutrition in a diet.

This clip explains how drinking alcohol actually makes you drunk. When the molecules that make up alcohol enter your body, they change the chemical makeup and react with different parts of your body that ultimately makes you feel "drunk."

It is really important to choose wisely about what you put into your body. The food that you eat directly correlates to the health of your body, as the digestive system transforms it into energy.

Tuck is fighting a villain inside Jack's body, and his vehicle is low on power and oxygen reserves. Tuck asks Jack to produce more stomach acid so he can take care of the villain. Jack delivers the acid, and as Tuck claims, he digests the bad guy.

The group takes a boat ride through the small intestine, where the workers are not only singing about the intestine but are also part of an assembly line that illustrates the small intestine's function: the digestion and absorption of food. While in the middle of its boat ride, the group encounters the sexually transmitted infection, gonorrhea. Before destroying gonorrhea with a lit match, Poncho alludes to a symptom of the infection: a burning sensation during urination.