♥♥ On the Motion of the Heart and Blood in Animals by William Harvey ♥♥

Published in 1628 in the city of Frankfurt, Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus contains the matured account of the circulation of the blood.

♥♥ On the Motion of the Heart and Blood in Animals by William Harvey ♥♥

Opening with a dedication to King Charles I, the quarto has 17 chapters which give a perfectly clear and connected account of the action of the heart and the consequent movement of the blood around the body in a circuit.

♥♥ On the Motion of the Heart and Blood in Animals by William Harvey ♥♥

William Harvey (1578-1657) was a rebel in medical science: Contrary to contemporary practice, he began his epoch-making investigation into the action of the heart and the blood's circulation by minutely observing their action in live animals and by a lengthy series of dissections, rather than by mere reliance on the anatomical lessons of ancient medicine and philosophy.

♥♥ On the Motion of the Heart and Blood in Animals by William Harvey ♥♥

"On the Motion of the Heart and Blood in Animals", including explanations of heart valves and arterial pulse, stands as a triumph of true scientific inquiry, and is still regarded as one of the greatest discoveries in physiology.