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!

But the story of what happens to your food after you swallow it is quite fascinating. The story of digestion actually begins in the brain, not in the mouth or the stomach. The smell, sight, or even ...

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 ...