Functions is of two kinds: common and specific . This is stated: they are peculiar to each other. The vital airs are five beginning with Prana/प्राण. They form the common functions of the internal organs. These five vital airs are the very life of the three internal organs since the latter exist when they exist and cease/(are hidden) to exist when they are absent. Of the five vital airs, the praan/प्राण is located at the tip of the nose (in internal organ), the heart, the naval, feet and the thumb; 'apaan'/aatmagyaan/अपान is located in the nape (the back part) of the neck, the back, the feet, the anus, the generative organ and the sides (i.e. penis and the scrotum part of our body) ; Samaan/समान, in the heart, the navel and all the joints; Udaan/उदान, in the heart, the throat, the palate(forehead part), the head, and between the eye-brows; vyaan/व्यान (or rest of muscles with blood and other organs in body) is located in under the skin as a whole human body. These are the five vital airs viz, praan, apaan, samaan, udaan, vyaan or प्राण, अपान, उदान, समान, व्यान.