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 ...

Find out about the different stages of a human ... our important organs. How do your muscles work? Find out how our muscles help us move by contracting and relaxing. What is the digestive system?

Anatomist, Claire Smith, is showing me a real human digestive system ... ask students to list in order the organs in the digestive system from memory, and what their major functions are.