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Digestive system
The digestive system turns food into nutrients that are absorbed by the body and removes waste. The mouth, oesophagus, stomach, small and large intestine, rectum and anus are involved.
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Topic: Introduction to the digestive system
Digestive system
The digestive tract can be thought of as a long muscular tube with digestive organs attached along the way.
Metabolism
Your metabolism is influenced by your age, gender, muscle-to-fat ratio, the food you eat, physical activity and hormone function.
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