Discovery of Blood Circulation

Galen

200

Galen, a doctor in Rome, said that blood travels through the septum, and that the heart pumps it to the muscles and then it is burned up, however he did not discover circulation.

Ibn an Nafis

Mar 10, 1250

Ibn was a Persian doctor and he said different to Galen, as he said that blood does not travel through the septum and is pumped past the lungs. Who is right?

Leonardo da Vinci

Mar 10, 1519

Leonardo was an artist and scientist and a many matter of other things. In 1850, some of his drawings were dicovered. They were of the anatony of the heart.

Vesalius

Mar 10, 1543

Vesalius was a professor and he, like Ibn said that blood did not pass through the septum.Were they right though?

Sevetus

Mar 10, 1553

Servertus was an Italian preacher who agreed with Galen AND Ibn by saying that blood is pumped past the lungs and through the septum.

Columbo

Mar 10, 1559

Columbo was also a professor and he said that blood passes throught the septum and is pumped past the lungs.

Caesalpine

Mar 10, 1571

Caesalpine was professor at Pisa. He was the first to use the word circulation when talking about blood. However, he could't explain the process.

Fabricus

Mar 10, 1603

Fabricus was the third professor from Padua. He discovered that valves in veins only allow the blood to travel in one direction.

William Harvey

Mar 10, 1628

Harvey was a London Doctor and he proved that blood circulates round the body, and described how it happened.