Verse 5

रक्तमांसास्थिसंघाताद्देहादेवास्थिपञ्जरात् ।कोऽहं स्यामिति चित्तेन स्वयं पुत्र विचारय

In plain words

Out of this body -- a mere mass of blood, flesh and bone, a very cage of bones -- who could I be? Inquire into this yourself with your mind, my son.