1 According to comparative anatomy researchers, some organs are classified as vestigial because they may not presently have a function within the body ... bacteria by the appendix helps maintain human ...

The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about 30 feet (9 meters) of these convoluted pipeworks, starting with the mouth and ending ...

The human digestive system is home to trillions of bacteria ... This suggests that, rather than being a useless structure, the appendix may contribute to the body's ability to fight off harmful ...

Find out about the different stages of a human life cycle and ... What is the digestive system? Discover how the food gets into the body, through the digestive system. What happens to food in ...

Brian Austin Green had to get emergency surgery after doctors discovered the pain he was feeling in his stomach was actually a perforated appendix.