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 ...

If you have ever watched a dog eyeing a steak dinner, you can literally see the drool (saliva) dripping from his mouth. People are usually a little more discreet than that! The digestive system looks ...

A burp is a typical bodily function that occurs when the body releases excess air from the digestive tract through the mouth. The air typically enters the digestive tract when a person eats or drinks.

Mouth ulcers, also known as canker sores, are painful lesions that develop inside the mouth, on the tongue, or along the ...

Crohn’s disease isn’t just about digestion. From joint pain to vision issues, its hidden symptoms affect the body in unexpected ways.

The fungus that causes oral thrush is normally found in your mouth, throat, and digestive tract but doesn’t cause problems. When your immune system is weakened in this area, the fungus can grow ...

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!