The different (pulmonary) flows of oxygenated and deoxygenated blood
represent the various female characters including the goddesses.
These are the various forms and roles of prakrti. The pulmonary
arterial flow, for instance, may represent the “ghora” (terrible)
rupa of prakrti as it is concentrated with the life-negating
substance—the poison (visa) of carbon-dioxide—while the
pulmonary venous flow stands for prakrti in her “beatific” or
“salvific” form; in this form she is the great sustainer and
nourisher, the mother, as it were, of the entire universe, as she
floods the world with the nectar, the life-sustaining substance
(oxygen), drinking which the neural entities rejuvenate and renew
themselves.
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| Ganga is the personification of the pulmonary flow. Seated on the alligator she represents the flow of deoxygenated blood in the pulmonary arterial conduit. "She" travels, as it were, on this conduit. |
The pulmonary flows, together with their conduits, stand for the
“bhutas” (basic substances) of the material world. To be
specific, the flows themselves would represent the qualities while
the conduits would be the bhutas proper. Different portions of
the arterial and venous network represent different substances.
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While naming these portions (of the pulmonary networks), one gets the
feeling that we have also a reference to the systemic network. For
example, the relation that a blood vessel has to its target organ or
the entity that it nourishes imparts to it the motherly character of
the earth. This relationship would not be present in the pulmonary
apparatus where the pulmonary veins do not nourish the neural
entities. But still the appellation of “prthivi” (earth)—the
final basic substance (bhuta)—is applied to them. This is in
imitation of the systemic network. Therefore the author is conscious
of the systemic role of the oxygenated blood also while describing
metaphorically the pulmonary venous flow.