For like 2,000 years people thought the lungs pumped blood:P
7 votes
For those 2,000 years people were dumb
WTH did the heart do then?!
Sometimes I wonder how the species survives.

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EbolaSparkleBear's avatar
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Raenafyn's avatar
The heart they believed is where people thought and remembered from actually. As for the brain, Egyptians thought it was a giant snot-making gland. XD

Admittedly, you don't NEED to know where everything is or what it does for basic survival, you just need to know to breath and eat and stuff. That's how everything else survives.