There are in this body: hairs of the head, body hairs, nails, teeth, skin; flesh, sinews, bones, bone-marrow, kidneys; heart, liver, pleura, spleen, lungs; intestines, mesentery, undigested food, excrement; bile, phlegm, pus, blood, sweat, fat; tears, grease, spit, mucus, synovial fluid, urine; and the brain in the head.