Mahabharata 12.177.22

श्रोत्रं घ्राणमथास्यं च हृदयं कोष्ठमेव चआकाशात्प्राणिनामेते शरीरे पञ्च धातवः

śrotraṃ ghrāṇamathāsyaṃ ca hṛdayaṃ koṣṭhameva caākāśātprāṇināmete śarīre pañca dhātavaḥ

Our plain-language meaning of this verse is waiting for scholar review.