The Digestive System B2.3
- Created by: Revise17
- Created on: 19-05-16 19:07
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- Liver
- Gall Bladder
- Bile is stored and secreted into the small intestine
- Pancreas
- secretes alkali protease, carbohydrase and lipase enzymes into the duodenum
- Bile is produced
- Gall Bladder
- Small intestine
- Large intestine
- collon
- absorbs water back from digested food by osmosis into the blood
- leaving waste material (faeces) behind
- Gall Bladder
- Bile is stored and secreted into the small intestine
- Duodenum
- ileum
- contains enzymes to further break down food
- increased surface area for absorption of nutrients into the blood
- layers of ruck up tissue containing villi surrounded by capillaries
- pushes food along by peristalsis
- Bile binds food together
- bile neutralizes acid providing the necessary the alkaline conditions
- emulsifies fats providing a larger surface area for lipase enzymes to break down the lipids (fats)
- breaking down of large insoluble molecules into smaller soluble molecules do that the nutrients can diffuse into the blood using finger shaped protrusions called villi
- Large intestine
- rectum
- anus
- collon
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