Page:Reflections upon ancient and modern learning (IA b3032449x).pdf/247

But the great Discovery that has been made of the Lungs, is, That the whole Mass of Blood is carried out of the Right Ventricle of the Heart, by the Arteria Pulmonaris, called anciently Vena Arteriosa, through all the small Bladders of the Lungs, into the Vena Pulmonaris, (or Arteria Venosa;) and from thence, into the Left Ventricle of the Heart again. So that the Heart is a strong Pump, which throws the Blood, let in from the Veins, into the Lungs; and from the Lungs, afterwards, into the Arteries; and this by a constant rapid Motion, whereby the Blood is driven round in a very few Minutes. This Discovery, first made perfectly intelligible by Dr. Harvey, is of so very great Importance to shew the Communication of all the Humours of the Body, each with other, that as soon as Men were perfectly satisfied that it was not to be contested, which they were in a few Years, a great many put in for the Prize, unwilling that Dr. Harvey should go away with all the Glory. Vander Linden, who published a most exact Edition of Hippocrates, in Holland, about Thirty Years ago, has taken a great deal of Pains to prove that Hippocrates knew the Circulation of the Blood, and that Dr. Harvey only revived it. TheSub-