Publisher's Synopsis
Excerpt from Observations on Respiration, and the Use of the Blood
Hippocrates reckoned air among the alz'memfr, of the body. But it was more generally the opinion of the an cients, -that, there being a kind of fw'mlfire kept up in the heart, the heat of the blood was tempered in the lungs. Galen alfo fuppofes, that there was fomething equiva-w lent to a fire, confiantly kept up in the heart; and that the chief ufe of the lungs was to carry off fuch vapours as were equivalent to fmoke thrown off from that fire. Haller, vol. III. P. 3 54. Cartesius maintained the fame vital fire in the heart, fuppofing that air was new celfary for cooling and condenfing the blood. Ioia'. P.
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