Taittiriya Upanishad 1.7.1

1.7.1

pṛthivyantarikṣaṃ dyaurdiśo 'vāntaradiśāḥ /
agnirvāyurādityaścandramā nakṣatrāṇi /
āpa oṣadhayo vanaspataya ākāśa ātmā /
ityadhibhūtam /
athādhyātmam /
prāṇo vyāno 'pāna udānaḥ samānaḥ /
cakṣuḥ śrotraṃ mano vāk tvak /
carma mām̐sam̐ snāvāsthi majjā /
etadadhividhāya ṛṣiravocat /
pāṅktaṃ vā idam̐ sarvam /
pāṅktenaiva pāṅktam̐ spṛṇotīti // 1//
iti saptamo 'nuvākaḥ //

The earth, sky, heaven, the primary quarters, and the intermediate quarters; fire, air, the sun, the moon, and the stars; water, herbs, trees, sky, and Virāṭ—these relate to natural factors. Then follow the individual ones: Prāṇa, Vyāna, Apāna, Udāna, and Samāna;footnote{These different forms of the vital force perform these functions respectively: exhaling, pervading, inhaling, leaving the body, and digesting.} the eye, the ear, the footnote{Some texts read it as 'vāntaradiśaḥ.} mind, speech, and the sense of touch; skin, flesh, muscles, bones, and marrow. Having imagined these thus, the seer said, "All this is constituted by five factors; one fills up the (outer) fivefold ones by the (individual) fivefold ones.