Intelligence, stomachic heat, and the vital airs, called Prana, etc., that are all wind, three are the organs of action. The senses, the objects of the senses, the power by which they become capable of being perceived the faculties by which they succeed in perceiving them, the mind, the vital airs called Prana. Apana and the rest, and the various juices and humours that are the results of the digestive organs, flow from the three organs already named.