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 ...

Food enters the digestive system as soon as you put it in your mouth. This is where food is broken down by your teeth, mixed with saliva and swallowed. This is one of the best teams in the world!

Remove tissue on neck to view esophagus. Be careful not to destroy circulatory system. Digestive organs can be pulled out and re-examined next week. 4. Mudpuppy Make two incisions, one on each side of ...