Bhagavatapurana 3.13.37

3.13.37

srak tuṇḍa āsīt sruva īśa nāsayor iḍodare camasāḥ karṇa-randhre /
prāśitram āsye grasane grahās tu te yac carvaṇaṃ te bhagavann agni-hotram //

35 & 36. Such indeed is this form of Thine which is too formidable to be looked at by the sinful; O Lord, it is an embodiment of all sacrifices; the vedic metres are found in Thy skin, the *kusa* grass in Thy hair, the sacred ghee in Thine eye, the fourfold duties of the priest in Thy feet, *Sruck* in Thy mouth, and *Sruva* in Thy nostrils: O Lord, *Ida* in Thy stomach and *Chamasa* in Thine ears; *Prasitra* (the vessel in which Brahma's share is poured) in Thy mouth, the planets in Thine act of swallowing and *Agnihotra* is Thine act of chewing, O Powerful Lord.'