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  • Question
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Question
Gas exchange is performed by the [...](which organ?)
Answer
lungs

Question
Gas exchange is performed by the [...](which organ?)
Answer
?

Question
Gas exchange is performed by the [...](which organ?)
Answer
lungs
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Gas exchange is performed by the lungs

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Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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