In mother’s womb the baby can’t be idle if any one tell about anything it tries to listen keenly .Eg. In mahabharat Abhimanyu listened about entering the kurukshetra By lord Krishna and prahlad listed about lord Narayana by Narada Maharishi.
After the baby comes out it always moves it’s Body freely, briskly and happily. This is natural yoga and grows to normal height, crawls, stand, tries to sit and walk.
Yoga is a ancient art originated in India it helps you to cleanse your body and soul it also helps in the process of digestion