144 The Law of the Rhythmic Breath 



being, says Rama Prasad, " that manifestation of 

 the life-coil which draws atmospheric air from 

 without into the system." Fdyu is the prevalent 

 Tattva, and the right lung is the seat of its posi- 

 tive phase, and the left, of the negative. The pul- 

 monary circulation of blood in the upper Chakra 

 (the cavity of the chest) is positive to that in the 

 lower Chakra (below the diaphragm), but also 

 arterial blood in both Chakras, or systems of circu- 

 lation, is positive to the negative veins. The cap- 

 illaries are the Sushumnd of the vascular system. 

 Thus, again, you find the wheel within wheel. 



The second manifestation of Prana is Samana 

 which governs the processes of digestion and as- 

 similation, carrying the nutrient juices where 

 needed. Tejas is the ruling Tattva, and the stom- 

 ach and navel the seats of its positive phase, while 

 the negative phase is active in the duodenum. 

 Apdna, the third manifestation, governs the ex- 

 cretory functions, in which Prithivi predominates; 

 the positive phase working in the long intestine, 

 and the negative, in the kidneys. As Apdna is 

 said to throw " from inside, out of the system, 

 things which are not needed there," it is reasonable 

 to conclude that the function of Prithivi in both 

 skin and lungs is excretory, and that perspiration is 

 also a manifestation of Apdna. 



Vydna, the fourth manifestation, is the seat of 

 Apas, and is present all over the body, being that 



