William Harvey — "The motion of the blood is constant and circular."
The motion of the blood is constant and circular.
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More from William Harvey
"The physician must be a philosopher, for there is not so great a difference between them."
"I hold that the motion of the blood is in a circle, and is constantly impelled and distributed by the pulsific action of the heart."
"It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change."
"The heart is the seat of the affections."
"I have myself, in my dissections, seen the blood flow from the right ventricle into the pulmonary artery, and from the pulmonary vein into the left auricle."
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