One verse

Srimad Bhagavatam 4.29.8

4.29.8

अक्षिणी नासिके कर्णौ मुखं शिश्नगुदाविति । द्वे द्वे द्वारौ बहिर्याति यस्तदिन्द्रियसंयुत: ॥ ८ ॥

aksini nasike karnau mukham sisna-gudav iti dve dve dvarau bahir yati yas tad-indriya-samyutah

aksini
two eyes
nasike
two nostrils
karnau
two ears
mukham
mouth
sisna
genitals
gudau
and rectum
iti
thus
dve
two
dve
two
dvarau
gates
bahih
outside
yati
goes
yah
one who
tat
through the gates
indriya
by the senses
samyutah
accompanied.

The eyes, nostrils and ears are pairs of gates situated in one place. The mouth, genital and rectum are also different gates. Being placed into a body having these nine gates, the living entity acts externally in the material world and enjoys sense objects like form and taste.