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GCSE PE 2018-2020 > Respiratory System > Flashcards

Respiratory System Flashcards

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1
Q

Inhaled air

A

20% of the air we breathe in is oxygen and 0.4% is carbon dioxide

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2
Q

Exhaled air

A

16% of the air we breathe out is oxygen and 4% is carbon dioxide

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GCSE PE 2018-2020 (38 decks)

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