Biology
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how are carbon dioxide and oxygen transported between the capillaries and the alveoli? A. simple diffusion B. endocytosis C. active transport D. osmosis

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brendafueston

The exchange takes place in the millions of alveoli in the lungs and the capillaries the envelop them. Inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

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