WILLIAM HARVEY - The Theory of Blood Circulation

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William Harvey's theory of blood circulation challenged the prevailing beliefs of the time, rooted in the ancient teachings of Galen. --------------------------------------------------------- πŸ“Œ Help our channel grow: πŸ‘ Like πŸ”” Subscribe πŸ”„ Share with your friends πŸ’¬ Comment β€” your perspective is important! πŸ“Œ Support our channel by shopping with us: https://rb.gy/8t1do

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