4 St. 47 Min, 20 Apr 114 Jahr - Galen studies health.
Beschreibung:
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.
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4 St. 47 Min, 20 Apr 114 Jahr
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~ 1912 years ago
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