| 9 Function of the gastrointestinal tract
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After reading this chapter you should be able to:
- Describe the main stages of digestion.
- Discuss mechanisms involved in the absorption of nutrients from the gastrointestinal tract.
- Discuss the role of digestive enzymes.
- Discuss digestion of the main classes of nutrients: carbohydrates, proteins, and fats.
- Identify compounds arising from the digestion of carbohydrates, proteins, and fats that become substrates for further metabolism
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