So the digestive system gets rid of waste from the food you eat through defecation. But lots of waste will also build up in the bloodstream as a byproduct of metabolism and other processes. What does the body do with this? It will...

The system of the body we are most acutely aware of is the respiratory system. We have to breathe, whether voluntarily or involuntarily, every few seconds in order to stay alive. Because we looked at the circulatory system, we know that...

The video explains the importance of carbohydrates in our diet. It discusses the two basic types of carbohydrates, simple and complex, and their chemical structures. The video also explains the role of carbohydrates as the body's main...