what are the steps in the process of digestion that occur in the small intestine
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Answer:
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Most of the chemical digestion of the human body takes place in small intestine. The conditions for digestion should be as follows:
1. Digestive enzymes such as trypsin, lipase, maltase etc. should be present so as to break the macromolecules into smaller molecules which will facilitate their absorption.
2. Bile juice should be present which acts as emulsifier and breaks down the larger fat droplets into smaller ones.
3. The medium should be alkaline as enzymes of small intestine works best in this kind of medium only.
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Answer:
The small intestine is divided into three parts;
1. Duodenum ; It is starting part of small intestine where pancreatic juice and bile juice mixed with food.
2. Jejunum ; It is the middle part of small intestine .
It is measuring about 2m in length.
3. Ileum ; It is the last part of small intestine .
It measures 3-3.5m in length.
It contains villi which helps in absorption of food