One verse

Srimad Bhagavatam 2.2.20

2.2.20

नाभ्यां स्थितं हृद्यधिरोप्य तस्मा- दुदानगत्योरसि तं नयेन्मुनि: । ततोऽनुसन्धाय धिया मनस्वी स्वतालुमूलं शनकैर्नयेत् ॥ २० ॥

nabhyam sthitam hrdy adhiropya tasmad udana-gatyorasi tam nayen munih tato ’nusandhaya dhiya manasvi sva-talu-mulam sanakair nayeta

nabhyam
on the navel
sthitam
situated
hrdi
in the heart
adhiropya
by placing
tasmat
from there
udana
soaring
gatya
force
urasi
on the chest
tam
thereafter
nayet
should draw
munih
the meditative devotee
tatah
them
anusandhaya
just to search out
dhiya
by intelligence
manasvi
the meditative
sva-talu-mulam
at the root of the palate
sanakaih
slowly
nayeta
may be brought in.

The meditative devotee should slowly push up the life air from the navel to the heart, from there to the chest and from there to the root of the palate. He should search out the proper places with intelligence.