Mahabharata 12.177.23

श्लेष्मा पित्तमथ स्वेदो वसा शोणितमेव चइत्यापः पञ्चधा देहे भवन्ति प्राणिनां सदा

śleṣmā pittamatha svedo vasā śoṇitameva caityāpaḥ pañcadhā dehe bhavanti prāṇināṃ sadā

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