Human digestive system

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The digestive system is the part of the body that digest food; it is also called the alimentary canal It breaks down food into simple chemical substances that can be absorbed into the blood stream. From the blood stream, nutrients go first to the liver. Function of liver : The liver adjusts the nutrients so that the mix is what the body needs.

The digestive system also gets rid of waste material. The gastrointestinal system starts at the mouth and ends at the anusTAKE NOTE THAT DIGESTION ENDS AT THE SMALL INTESTINE . Animals/insects like worms, , mammals, birds, fish, and people all have digestive systems.

The alimentary canal is not only the gut, but also other organs that help us digest food. For example, digestive enzymes are needed to help us absorb carbohydrates and meat.

Parts of the gut

The parts of the human, and many other animals, digestive system are:

Other organs that are part of the gastrointestinal system but are not part of the gut are:

Food does not go through these organs. But they help the gut digest the food. They also have other functions . For example, the pancreas, liver, and are also that make are responsible for the digestion of food

There are many diseases that can affect the gastrointestinal system. Doctors who study the gastrointestinal tract are called gastroenterologists.