4 ч 47 мин, 20 апр 114 г. - Galen studies health.
Описание:
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.Добавлено на ленту времени:
Дата:
4 ч 47 мин, 20 апр 114 г.
Сейчас
~ 1912 г назад