Harvey proved that blood circulated through the body by observing the movement of blood in a dissected heart, galens theory of blood being made in the liver
His ideas meant less bloodletting, a popular treatment based on the four humors
Critics said he was mad
He couldn’t explain why his theories were correct, so people disregarded his theories
Doctors from Padua and the Middle East‘s theories supported his ideas
Criticised Galen so his ideas weren’t accepted
Significant to diagnosis and improvement of surgery
Didn’t really have an impact until his theories were put into practice and explained