More cards in this set

Card 16

Front

Why do large organisms need specialised exchange surfaces?

Back

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Card 17

Front

How are leaves adapted to increase their surface area?

Back

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Card 18

Front

Give two features of the villi which make them efficient exchange surfaces.

Back

Preview of the front of card 18

Card 19

Front

Suggest one substance which will pass from the gut to the blood.

Back

Preview of the front of card 19