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4 ore 47 min, 20 apr 114 anni - Galen studies health.

Descrizione:

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.

Aggiunto al nastro di tempo:

Data:

4 ore 47 min, 20 apr 114 anni
Adesso
~ 1912 years ago

Immagini: