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 ...

This process is sometimes known as whole gut transit time (WGTT), which refers to the time it takes for food to move through your gastrointestinal (GI) tract from the mouth to your anus.

Digestive enzymes are found in the digestive system, including the mouth, stomach, and small intestine. They help you break down food and absorb nutrients. Sometimes, the body cannot make enough ...

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!