The word Nadi means 'flow'. In this sense, Nadis are subtle flows of energy. Nadis are not to be confused with nerves,
which are related to the physical body; rather than energy body. The network of Nadis is so subtle and complex that yogic texts
differ in their exact number. According to Goraksha Samhita and Hatha Yoga Pradipika Nadi are 72,000; Prapanchasara
Tantra gives the number of 300,000; while the Shiva Samhita states that 350,000 Nadis emerge from the navel centre.
The body of energy has its own anatomy, based on seven major energy vortices called Chakras. The word Chakra means circle,
wheel or disk.
