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Card 6

Front

Diffusion is proportional too..?

Back

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Card 7

Front

How is gas exchanged in a typical single-celled organisim?

Back

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Card 8

Front

Why can insects not just engage in diffusion for gas exchange?

Back

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Card 9

Front

What do they have instead? (names)

Back

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Card 10

Front

So how does the system work?

Back

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Card 11

Front

advantage of this?

Back

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Card 12

Front

How do gases move out and in of the trachea system? (2 ways)

Back

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Card 13

Front

Ventilation?

Back

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Card 14

Front

How do spiracles open and close? What is the bad point of spiracles?

Back

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Card 15

Front

Disadvantages of the system?

Back

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