Nature does nothing in vain.
Blood circulation
Attributed, a common philosophical principle he applied to biology.
c. 1628
Found in 1 providers: grok
Cross Reference
1 source
"The blood in the arteries is of a more florid colour than that in the veins."
Strange & Unusual"The blood in the animal body is impelled in a circle, and is in a state of ceaseless motion."
Controversial"I have not hesitated to present to you, my dear reader, the results of my anatomical observations."
Strange & Unusual"The book of nature is the only book that offers a wealth of content on every one of its pages."
Strange & Unusual"The blood is a spirit, and the spirit is the life."
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