The digestive system (gut) is a muscular tube that starts at the mouth and finishes at the anus. The digestive system breaks down food and delivers nutrients to every cell in the body via the bloodstream.

Digestive systemThe digestive system is made up of the:

  1. Digestive tract: a series of hollow organs joined in a long, muscular
    tube (over 10 metres long) from the mouth to the anus.

  2. Other organs that help the body break down and absorb food.
    Organs that are part of the digestive system include the stomach,
    small intestine, pancreas, liver and large intestine (bowel).

Digestion is the process by which food and drink are broken down into
their smallest parts so the body can use them to build and nourish cells
and to provide energy.

Common problems of the digestive system include colitis, diverticulitis,
gastroenteritis, heartburn and ulcers.

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