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200
Galen (the start point)
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. -
Jan 1, 1250
Ibn an Nafis
Ibn an Nafis (a persian doctor) said blood does not go through the septum, and it is pumped past the lungs. Was he right? -
Jan 1, 1519
Leonardo da Vinci
The artist Leonardo da Vinci Made detailed drawings of the anatomy of the heart.In 1850, some of his drawings were dicovered. -
Jan 1, 1543
Vesalius
Vesalius was a Professor and like Ibn said that blood does not pass through the septum. -
Jan 1, 1553
Servetus
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. -
Jan 1, 1559
Columbo
Columbo was a professor and he said that blood does not go through the septum and is pumped past the lungs. -
Jan 1, 1571
Caesalpino
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. -
Fabricius
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. -
William Harvey - End point
Wiiliam Harvey was a London doctor, he proved that blood circulates round the body, and described how it happened.
