Urged by the ton sorts of vital airs having Prana for their first, the canals, branching out from the heart, carry the liquid juices of food, upwards, downwards, and in contrary directions.
प्रस्थिता हृदयात् सर्वे तिर्यगूर्ध्वमधस्तथा। वहन्त्यन्नरसान् नाड्यो दश प्राणप्रचोदिताः॥