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1 Questions around this concept.
Why do we need food?
The human digestive system consists of the alimentary canal (Gastrointestinal system) and the digestive glands (alimentare means nutrition)
The GI tract or alimentary canal starts with the mouth and proceeds to the oesophagus, stomach, small intestine (duodenum, jejunum, ileum), and then to the large intestine (caecum, colon, rectum) and terminates at the anus.
The digestive glands include the salivary glands, pancreas and liver, and accessory organs of the gastrointestinal system that contribute materials to the small intestine.
The function of the digestive system is to break down the foods we eat, release their nutrients, and absorb those nutrients into the body.
The Human Digestive System is shown in the diagram below :
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