Seudónimo
Seudónimo
10-11-2017
Biology
contestada
when do your lungs work the hardest
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Аноним
Аноним
10-11-2017
im guessing when your pushing your body
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TheboredOne
TheboredOne
10-11-2017
When exercising is when the lungs work the hardest because you're using a lot of muscles and are running around and are using force in your body so the lung works really hard to make sure the body gets enough air while working out.
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