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Card 16

Front

what is an organ system made up of?

Back

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Card 17

Front

what is a multi-cellular cell made up of?

Back

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Card 18

Front

what is diffusion?

Back

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Card 19

Front

what is an example of diffusion?

Back

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Card 20

Front

name two essential things a cell need to survive?

Back

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Card 21

Front

what do humans cells need to get rid of?

Back

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Card 22

Front

what is the word equation for respiration?

Back

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