Pranayam is largely considered as an exercise to extend the life force (prana). It is the perfect control of the life-currents through control of breath, and is the process by which we understand the secret of prana and manipulate it.br br 'Prana' has a broad number of meanings, few of them are, br 1. Breath respiration, br 2. the breath of life vital air principle of life,br 3. Energybr 4. The spirit or soulbr br Yoga is a way of living. Yoga is not only a exercise but it also helps to lead a good and healthy life, making you look good and stay happy.