This video 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.
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- Circulatory & Respiratory Systems - CrashCourse Biology #27. Authored by: CrashCourse. Located at: https://youtu.be/9fxm85Fy4sQ. License: All Rights Reserved. License Terms: Standard YouTube License