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no idea of the circulation of the blood.
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The heart is not a pump but a furnace,
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drawing air from the lungs,
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heating it and distributing it as innate heat in the body.
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So, this was the first embodiment of scientific medicine.
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I want to talk about an alteration that it went through,
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through the second father of medicine.
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And this is another Greek physician,
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who lived however in ancient Rome, and that is Galen.
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And that's a picture.
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Now, his personal--he lived in the second century A.D.,
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from 130 to about 201,