Pranayama breathing technique invented by Indian monk from ancient time. Pranayama is 4 limb of yoga and practice by ancient time to regulating life force. Pranayama made from prana (life force) +Yama (control) that would mean “breath-control” or the “breath-restrain”, or it can also be understood as “pran-ayama” that would translate to “freedom of breath”, or “breath liberation”.Prana is the conscious energy that essentially means that the Nadis of our body also transmit consciousness
View Cource: https://7pranayama.com/category/pranayama/