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Card 16

Front

What type of pressure is a breathing aid?

Back

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Card 17

Front

What is the purpose of a breathing aid?

Back

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Card 18

Front

What is good about positive pressure aids?

Back

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Card 19

Front

what exchange surface does the small intestine have which makes absorption of solutes effective?

Back

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Card 20

Front

What are the features of villi which make them effective?

Back

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Card 21

Front

How can soluble products pass through the villi?

Back

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Card 22

Front

in what feature of the leaf does gas enter and leave through?

Back

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Card 23

Front

What are the gases which diffuse through the stomata and what are their uses?

Back

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Card 24

Front

What process occurs which causes water vapour to diffuse out of the stomata?

Back

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Card 25

Front

How are plants adapted for efficient exchange of gas and minerals?

Back

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