Workshard Workshard
  • 04-05-2021
  • Biology
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How is the alveoli to the gas exchange?

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kieanamaxinedayag kieanamaxinedayag
  • 04-05-2021

Answer:

Explanation: The walls of the alveoli share a membrane with the capillaries. That's how close they are. This lets oxygen and carbon dioxide diffuse, or move freely, between the respiratory system and the bloodstream. Oxygen molecules attach to red blood cells, which travel back to the heart.

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