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Compare and contrast the digestion and absorption of carbohydrates and lipids.
- Words:
- 1924
- Submitted:
- Wed Oct 22 2003

... Compare and contrast the digestion and absorption of carbohydrates and lipids Digestion is the process that breaks down food to small molecules that can be absorbed by the body. Digestion involves the mixing of food, its movement through the digestive tract, and chemical breakdown of large molecules of food. The digestive or gastrointestinal tract comprises the mouth, oesophagus, stomach, small intestine and the large intestine. Digestion begins in the mouth, when we chew and swallow, and is then completed in the small intestine, where it is absorbed. Cells present in the inner layer of the stomach and the small intestine as well as the salivary glands, pancreas, and gall bladder secrete enzymes and other substances that help in the breakdown of food. The absorbed materials cross the mucosa into the blood, and are carried off in the bloodstream to other parts of the body for storage or further chemical change.














