Taittiriya Upanishad 2.4
intermediate
तस्माद्वा एतस्मादन्नरसमयात्। अन्योऽन्तर आत्मा प्राणमयः। तेनैष पूर्णः। स वा एष पुरुषविध एव। तस्य पुरुषविधताम्। अन्वयं पुरुषविधः। तस्य प्राण एव शिरः। व्यानो दक्षिणः पक्षः। अपान उत्तरः पक्षः। आकाश आत्मा। पृथिवी पुच्छं प्रतिष्ठा।
tasmādvā etasmādannarasamayāt | anyo'ntara ātmā prāṇamayaḥ | tenaiṣa pūrṇaḥ | sa vā eṣa puruṣavidha eva | tasya puruṣavidhatām | anvayaṃ puruṣavidhaḥ | tasya prāṇa eva śiraḥ | vyāno dakṣiṇaḥ pakṣaḥ | apāna uttaraḥ pakṣaḥ | ākāśa ātmā | pṛthivī pucchaṃ pratiṣṭhā |
"Different from and within this food sheath is another inner self made of vital breath. By that, this is filled. This also has the form of a person. Following the human form of that, this also is in human form. Of this, Prana is the head. Vyana is the right wing. Apana is the left wing. Space is the trunk. Earth is the tail, the foundation."
What This Means:
Inside the food body is the Pranamaya kosha - the energy body made of life-force. The five pranas form its parts.
Going Deeper:
The vital sheath fills and animates the physical body. Prana leads (head), Vyana and Apana are the balancing wings, space and earth provide context.
How To Apply This:
Beyond the physical body is your energy body. Work with breath (pranayama) to strengthen this vital sheath.
#Pranamaya kosha#vital body#prana#energy