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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Reason Discourse by Rene Descartes: alleged is the true cause of the motion of the blood: thus, in the first
place, the difference that is observed between the blood which flows from
the veins, and that from the arteries, can only arise from this, that
being rarefied, and, as it were, distilled by passing through the heart,
it is thinner, and more vivid, and warmer immediately after leaving the
heart, in other words, when in the arteries, than it was a short time
before passing into either, in other words, when it was in the veins; and
if attention be given, it will be found that this difference is very
marked only in the neighborhood of the heart; and is not so evident in
parts more remote from it. In the next place, the consistency of the coats
of which the arterial vein and the great artery are composed,
Reason Discourse |
