Physiotherapy Question:
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What do these sacs do?
Answer:
They help perform an incredible magic act. Your air sacs
bring new oxygen from air you've breathed to your
bloodstream. They exchange it for waste products, like
carbon dioxide, which the cells in your body have made and
can't use.
bring new oxygen from air you've breathed to your
bloodstream. They exchange it for waste products, like
carbon dioxide, which the cells in your body have made and
can't use.
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