abdomen, abomasum, anus, appendix, bay window, beerbelly, belly, blind gut, bowels, brain, breadbasket, cecum, colon, craw, crop, diaphragm, duodenum, embonpoint, endocardium, entrails, first stomach, foregut, giblets, gizzard, gullet, gut, guts, heart, hindgut, honeycomb stomach, innards, inner mechanism, insides, internals, intestine, inwards, jejunum, kidney, large intestine, liver, liver and lights, lung, manyplies, maw, midgut, midriff, omasum, paunch, perineum, pot, potbelly, potgut, psalterium, pump, pusgut, pylorus, rectum, rennet bag, reticulum, rumen, second stomach, small intestine, spare tire, spleen, stomach, swagbelly, third stomach, ticker, tripes, tum-tum, tummy, underbelly, ventripotence, vermiform appendix, viscera, vitals, works