One verse

Srimad Bhagavatam 3.6.20

3.6.20

गुदं पुंसो विनिर्भिन्नं मित्रो लोकेश आविशत् । पायुनांशेन येनासौ विसर्गं प्रतिपद्यते ॥ २० ॥

gudam pumso vinirbhinnam mitro lokesa avisat payunamsena yenasau visargam pratipadyate

gudam
evacuating outlet
pumsah
of the gigantic form
vinirbhinnam
being separately manifested
mitrah
the sun-god
loka-isah
the director named Mitra
avisat
entered
payuna amsena
with the partial evacuation process
yena
by which
asau
the living entity
visargam
evacuation
pratipadyate
performs.

The evacuating channel separately became manifest, and the director named Mitra entered into it with partial organs of evacuation. Thus the living entities are able to pass stool and urine.