What happens when we breathe?

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Age: 10-15
Level: GRADE 6
Language: English (en)
ID: 181029
12/05/2020
Country code: ES
Country: Spain
School subject: Natural Science (1061921)
Main content: Respiratory system (2011016)

WHAT HAPPENS WHEN WE BREATHE

Other contents: RESPIRATORY SYSTEM

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What happens when we breathe?

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