The mechanism of breathing is explained by Char aka.Expiration and inspiration as the to and fro movement of breath air . Influence of vata in the process of respiration clears the idea of Nervous system in respiration." Prana " is used as synonym of life . This importance is given to vata in controlling respiration
Prana vata(type of vata) is responsible for the physiology of respiration. The ailments in Respiratory system is due to the vitiation of Prana Vayu.Evoking prana vata through yoga methods can improve respiratory quotient.