Question 1
In which organ is bile stored?
- Liver
- Pancreas
- Gall bladder
- Duodenum
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Answer: C (gall bladder)
Question 2
Complete the table to show the function of each organ.
| Organ | Function |
|---|---|
| Salivary glands | |
| Liver | |
| Colon | |
| Anus |
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- salivary glands: make / secrete saliva / amylase (1)
- liver: makes bile (1) allow assimilation / uses absorbed nutrients, e.g. amino acids to make proteins
- colon: absorbs water (1)
- anus: egestion / faeces leave the body (1)
Question 3
Define each term. (a) ingestion (b) absorption (c) assimilation
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- (a) the taking of substances, e.g. food and drink, into the body (1)
- (b) the movement of nutrients from the intestines into the blood (1)
- (c) uptake and use of nutrients by cells (1)