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Compare Arteries, Veins and Capillaries in Terms of Their Features and Functions.

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Compare Arteries, Veins and Capillaries in Terms of Their Features and Functions.
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|Biology: |Chapter 12 Transport of substances in humans |
|Combined Science: |Chapter 10 Transport of substances in humans |

|!|EEB021210001O|!|
* Write an essay on the following topic.
Compare arteries, veins and capillaries in terms of their features and functions. (12 marks)
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Content (maximum 9 marks)
|Contents |Differences |Marks |
|Features |Arteries have thicker wall to withstand the high blood pressure | |
| |Veins have thinner wall. | |
| |Capillaries have the thinnest, one cell thick wall which shortens the diffusion distance for | |
| |the exchange of materials. | |
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