3.3.18

Blood Vessels - Arteries

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Arteries

Arteries transport blood away from the heart to the organs. They all carry oxygenated (contains oxygen) blood (apart from the pulmonary artery). Their structure is adapted to perform their function in the body:

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Thick muscle walls

  • Artery walls have thick layers of muscle. This makes them strong and able to cope with the high pressure at which blood is pumped out by the heart.
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Elastic fibres

  • The walls have elastic fibres, allowing them to stretch and spring back.

Jump to other topics

1The Nature & Variety of Living Organisms

2Structure & Functions in Living Organisms

3Organism Functions

3.1Respiration

3.2Gas Exchange

3.3Transport

3.4Excretion

3.5Coordination & Response

4Reproduction & Inheritance

5Ecology

6Biological Resources

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