Explore how pneumonia attacks the tiny air sacs in your lungs and how your immune system works to fight off the infection.

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Every time you breathe, air travels down the trachea, through a series of channels, and then reaches little clusters of air sacs in the lungs. These tiny sacs facilitate a crucial exchange: allowing oxygen from the air we breathe into the bloodstream and clearing out carbon dioxide. Pneumonia wreaks havoc on this exchange system. Eve Gaus and Vanessa Ruiz detail how pneumonia attacks the lungs.

Lesson by Eve Gaus and Vanessa Ruiz, directed by Artrake Studio.

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View full lesson: https://ed.ted.com/lessons/why-is-pne...
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Animator's website: https://www.artrake.com/
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