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Galen (a doctor in Rome) said that blood passes through the septum, and the heart pumps it to the muscles, where it is burned up.
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Ibn an Nafis (a persian doctor) said blood does not go through the septum, and it is pumped past the lungs. Was he right?
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The artist Leonardo da Vinci Made detailed drawings of the anatomy of the heart.In 1850, some of his drawings were dicovered.
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Vesalius was a Professor and like Ibn said that blood does not pass through the septum.
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Servetus was an Italian preacher he agreed with both Galen and Ibn. Servetus said that blood does go through the septum, and is pumped past the lungs.
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Columbo was a professor and he said that blood does not go through the septum and is pumped past the lungs.
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Caesalpino was a Professor at Pisa he was the first person to use the word 'circulation' in relation to blood, but could not explain the process.
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Fabricius a Professor at Padua discovered valves in the veins that only allow the blood to go one way. Fabricius was also William Harvey's teacher at university.
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Wiiliam Harvey was a London doctor, he proved that blood circulates round the body, and described how it happened.
