How did William Harvey’s discovery about blood circulation differ from Galen’s earlier theories?
1 )
Harvey proved that blood is created in the liver, while Galen thought it was pumped by the heart
Harvey demonstrated that blood circulates continuously, while Galen believed it was consumed by the body
3 )
Harvey discovered that arteries contain air, while Galen correctly identified they contain blood
4 )
Harvey found that blood moves directly between heart chambers, while Galen identified the role of lungs
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