William Harvey Flashcards
What kings was Harvey physician to?
James 1 and Charles 1
Where had Harvey studied medicine?
Cambridge and Padua
What was Harvey’s theory about blood and veins?
Blood circulates due to blood pumping it and veins have valves
How did Harvey show that blood moves in a circuit?
Pushed his finger along a vein in a patient’s forearm, away from the heart
They vein emptied showing how valves prevent back flow
What did Harvey’s experiment prove?
Blood flows in one direction
What book did he publish?
On the Motion of the Heart
Why did Harvey wait 12 years to publish his book?
He didn’t know why blood circulated, why it is differently coloured in veins and arteries and how blood gets between them
How did Harvey challenge Galen?
Proving that the liver did not made blood
How did Harvey question the value of bloodletting?
He proved that blood is not burned up as a fuel and replaced by the liver, therefore it is impossible to produce too much blood
Why did he experiment on cold blooded amphibians?
Could see their blood pumping due to slow blood flow
Helped him understand how muscles work
Why were capillaries not visible?
No microscopes
When was it that blood transfusions were successful?
1901 after blood group discovery
