How does this food that is eaten from time to time become digested in the stomach? How does it become changed into juice? How, again, into blood.
भुक्तं भुक्तमिदं कोष्ठे कथमनं विपच्यते। कथं रसत्वं व्रजति शोणितत्वं कथं पुनः॥