01-04-2020
Biology

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The alveoli are tiny air sacs in the lung. They have a relatively large surface area and thin walls. This structure allows –

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Ebrianna Ebrianna

01-04-2020

Basically let's you breathe easier.

Explanation:

The alveoli are only one cell thick. Which allows relatively easy passage of oxygen and Carbon Dioxide between the alveoli and blood vessels. (Capillaries

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