In this body there are head hairs, body hairs, nails, teeth, skin, flesh, tendons, bones, bone marrow, kidneys, heart, liver, pleura, spleen, lungs, large intestines, small intestines, gorge, feces, bile, phlegm, pus, blood, sweat, fat, tears, skin-oil, saliva, mucus, fluid in the joints, urine.

Majjhima Nikaya 119

Kayagata-sati Sutta

translated from the Pali by Thanissaro Bhikkhu
https://www.accesstoinsight.org/lib/study/bodymind.html#part2