Vayu means "air" but it does not refer only to the gross element of air
and its chemical properties. It also lefers to 'Pranic air’. Prana Vayu
moves through the body in a wave like motion and can be likened to
the electromagnetic field. where the energy is in constant motion.
The Vayu in the body is divided into fiive elementary parts (Pancha
Maha). They are ‘Pranaa Vayu'. 'Udana Vayu', ‘Samana Vayu', 'Apana
Vayu’ and 'Vyana Vayu'.
Prana Vayu pervades the region from the larynxx (throat) to the
diaphram.It is the force by which the breath is drawn into the body
(inhalation). The function of this vayu is Pranic absorption, it directs
all the other vayus in the body.
UdanaVayu pervades the region rom the throat upwards to the head.
lt controls organs above the throat, eyes, nose, ears and brain. All
sensory receptors are activated by the vayu. Through it we are con-
cious of the outer world.
SamanaVayu pervades the region between the heart and the navel. It
controls the digestuve system and all digestive functions‘ "Rasa" the
essence of food is assimilated and carried to the entire body. It also
activates the heart and circulatoly system.
Apana Vayu pervades the region below the navel. It governs all
downward moving impulses of elimination: menstruation and child
birth,urinaton,excretion of wastes and semen from the male. lt also
governs exhalation.
Vyana Vayu pervades the entire body. It govern the circulatory
system and through it, the muscles and joints. It is responsible for
erect posture. movement and coordination.
