Elements of Self-Knowledge

Elements of Self-Knowledge : Intended to Lead Youth Into an Early Acquaintance with the Nature of Man, by an Anatomical Display of the Human Frame (Classic Reprint)

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Excerpt from Elements of Self-Knowledge: Intended to Lead Youth Into an Early Acquaintance With the Nature of Man, by an Anatomical Display of the Human Frame I think it nemfihry here to fiate what to fame may appear an omifiion. When Hunter wrote, the office of the lungs was unknown, as we thall fee in page 14 of this Winnie, but the late improvements in che mifiry have developed the nature and necef fity of refpiratioln. In the lungs the blood comes into contadi with atmofpheric air, and work many chemical alterations in it. It is in the lungsa that the dark blood, throwing orf attenuated char coal, forms with the vital 'air of the atmof phere, fired air. It is in the lungs that the purple blood parts with its hydrogen, which uniting with the vital air, forms the humid vapour that ifiiies from the mouth. And it is in the lungs that the purple blood, having thrown orf hydrogen and charcoal, imbibe? The vital air, which changes its co lour to a brilliant red, rendering it the fpur to the aetion of the heart and arteries, the. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.show more

Product details

  • Paperback | 508 pages
  • 152 x 229 x 26mm | 671g
  • Forgotten Books
  • United States
  • English
  • , black & white illustrations
  • 0243316658
  • 9780243316656