4 h 47 m, 20 abr 114 año - Galen studies health.
Descripción:
He was a Greek surgeon who studied the body. Galen described the valves of the heart and noted differences between arteries and veins. For centuries, doctors based their ideas on Galen's teachings.Añadido al timeline:
fecha:
4 h 47 m, 20 abr 114 año
Ahora mismo
~ 1912 years ago