Astanga Hrudaya
अवष्टम्भः पुरीषस्य, मूत्रस्य क्लेदवाहनम्। स्वेदस्य क्लेदविधृतिःवृद्धस्तु कुरुतेऽनिलः॥५॥
Functions of waste products – Maintenance of strength of the body is the chief function of faeces; Elimination of moisture (water) is of urine, and Slow elimination of moisture is of the sweat.
english translation
avaSTambhaH purISasya, mUtrasya kledavAhanam। svedasya kledavidhRtiHvRddhastu kurute'nilaH॥5॥
hk transliteration by Sanscript