Liked that Sankey diagram of the human circulatory system (blood flow in the human body) made by CMGlee. This image is part of the Wikipedia article on the circulatory system. Oxygenated blood (red) runs through the arteries, and back to the heart through the veins (blue). Flows depict the “approximate relative percentages of cardiac output delivered to major organ systems”


by CMGlee on Wikicommons (license CC BY-SA 3.0)

Didn’t know my brain only required 14%, but well…

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