Search Results: "Alveolus"

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• 11:40 Popular

  Circulatory&Respiratory Systems - CrashCourse Biology #27

  2,195 views / 0 likes - added 9 years ago

  Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function. Crash Course Biology is now available on DVD! ht

• 04:32

  Our Lungs Have A Fatal Flaw

  286 views / 1 likes - added 1 year ago

  Get started mitigating your carbon footprint with Wren at https://www.wren.co/start/minuteearthOur respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.LEARN MORE******

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