Pranayama is a compound word meaning Prana Vital Energy and Ayama Control and Regulation . But it is not basically breath-control or breath-regulation. Pranayama needs a lot of study of breath usages, applications and Addressals by---onbreath. This book provides a classical and traditional approach towards life by breath control with different type of asnas.
This differentiates between physiology of respiration that comes in body-science and physiology of breathing that occurs in the science of yog. According to the book the entire human embodiment is a breathing organism, even inner, outer, physical, psycho-mental, psychic, gross and subtle and esoteric organs, senses and constitutions.