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A decorative drop cap V features floral and scrollwork patterns.JUST AS fire requires external air, so too does animal heat, which is considered a certain kind of fire (Meteorology, Book 2, chapter 2). Aristotle establishes a twofold phthoran destruction: maransin wasting away and sbesin extinguishment (On Respiration, ch. 4 & 6; On Youth and Old Age, ch. 3; Theophrastus, On Fire). We do not doubt that the hulen matter of trophēs nourishment is comprised under maransei wasting. Furthermore, just as the destruction of heat occurs through maransin wasting aph' heautō by itself, or aph' homogenesē by homogeneous things, when it increases so much that it consumes all fuel before new anathumiastin exhalation/vapor can be supplied to nourish it: So, on the contrary, it happens through sbesin extinguishment hupo tōn enantiōn by opposites, or tōn exōthen by external things, which, on account of cold or excessive humor, constrain the heat so that, its outflow being impeded, it perishes athroōs all at once. However, so that the heart's heat might be defended from phthora destruction, the author of which is maransis wasting, Nature—with Plato's Timaeus also agreeing—has granted respiration to the innate fire for the sake of refrigeration: not, however, so that they might be nourished by enormōnta surging/active kindred air, as Hippocrates (On Breaths), Galen (7 On the Doctrines of Hippocrates and Plato, ch. 3), Avicenna (Book 3, fen 10, tract. 1, ch. 1), and Pliny (Book 8, ch. 33, on the chameleon) wish. Hence the lung, through the arterial vein (which arises from the left wall of the vena cava), draws hot and cruder blood from the right ventricle of the heart (the vessel introducing which was the vena cava), and returning it through anastomōsin opening/connection to the venous artery (which extends into the left ventricle of the heart by a wide passage), while in the meantime transmitting cold air through the channels of the rough artery (which are extended alongside the venous artery, which, being made from a single and thin tunic, could be cooled more easily, yet not communicating by orifices), tempers it by touch alone. For the...