Examples of Exchange Surfaces

Biology: Edexcel IGCSE, topic 3.3.3

Examples of Exchange Surfaces

Some examples of specialised exchange surfaces are:

Small intestine

Small intestine

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

Lungs

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

Roots

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

Leaves

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

Test yourself on Examples of Exchange Surfaces

  • What is the small intestine adapted for?

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