3.3.20

Blood Vessels - Capillaries

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Capillaries

Arteries branch into much smaller vessels, called capillaries. Capillaries have thin walls and pass very close to the body cells. This means that there can be an efficient exchange of:

Illustrative background for Food and oxygenIllustrative background for Food and oxygen ?? "content

Food and oxygen

  • In capillaries, food and oxygen moves out of the blood and into the cells.
Illustrative background for Waste productsIllustrative background for Waste products ?? "content

Waste products

  • In capillaries, waste products, such as carbon dioxide, move out of the cells and into the blood.

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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