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 ...

Anatomist, Claire Smith, is showing me a real human digestive system. 'It's a vast, alien-looking mass of tubes. 'And this is the stomach.' DR CHRIS VAN TULLEKEN:I guess I thought it would be a ...

This short film offers a look at respiration and a tour around the circulatory system and digestive ... A real-life example of a blind climber who uses his tongue to see is shown. Human circulation.