This book, "An Essay On the Connection Between the Action of the Heart and Arteries, and the Functions of the Nervous System, and Particularly Its Influence in Exciting the Involuntary Act of Respiration", by Joseph Swan, is a replication. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.