1.3.6

Examples of Exchange Surfaces

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Examples of Exchange Surfaces

Some examples of specialised exchange surfaces are:

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Small intestine

  • The small intestine is adapted for exchanging nutrients between digested food in the small intestine and the blood.
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Lungs

  • The lungs are adapted for exchanging carbon dioxide and oxygen between the blood and air.
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Gills

  • The gills are adapted for exchanging oxygen that is dissolved in water, with the carbon dioxide in a fish's bloodstream.
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Roots

  • Roots are adapted for taking up both water and minerals from the soil around them.
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Leaves

  • Leaves are adapted for exchanging carbon dioxide and oxygen between the leaves and the surrounding air.

Jump to other topics

1Cell Biology

1.1What's in Cells?

1.2Cell Division

1.3Transport in Cells

2Organisation

2.1Principles of Organisation

2.2Enzymes

2.3Circulatory System

2.4Non-Communicable Diseases

2.5Plant Tissues, Organs & Systems

3Infection & Response

4Bioenergetics

5Homeostasis & Response

5.1Homeostasis

5.2The Human Nervous System

5.3Hormonal Coordination in Humans

5.4Plant Hormones

6Inheritance, Variation & Evolution

7Ecology

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