Vyana vayu, one of the five subdivisions of the life force, prana, empowers the distribution and communication systems of the body. It integrates and coordinates the other four prana vayus, keeping them balanced and nourished. A pervasive and expansive force, vyana governs the movement of prana through the nadis (energy channels); the movement of energy through the circulatory system and the nervous system; and the free flow of thoughts and feelings in the mind.
Koshas #YogaBasics In Ayurvedic and Yogic teachings the five Koshas are defined as energy sheaths, which function at different levels of vibration and frequency depending upon the vitality and awareness of our bodies, mind and spirit. These five sheaths are interpenetrating. http://www.yoga-teacher-training.org/forum/topic/yoga-teacher-training-the-koshas/