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Card 26

Front

Where are the gills located in the body of a fish?

Back

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Card 27

Front

What are gills made up of?

Back

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Card 28

Front

What increases the surface area of gills?

Back

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Card 29

Front

How does water reach the gills?

Back

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Card 30

Front

What is countercurrent flow?

Back

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Card 31

Front

Why is countercurrent flow important?

Back

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Card 32

Front

Explain the countercurrent arrangement

Back

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Card 33

Front

Again, diffusion of O2 from water to blood

Back

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Card 34

Front

What adaptations do plant leaves have for gas exchange?

Back

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Card 35

Front

SA of mesophyll cells for rapid diffusion

Back

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