The words formed by combining the word halves are: esophagus, sphincter, pyloric, small intestine, cardiac sphincter, appendix, pancreas, insulin, duodenum, stomach, rectum, colon, tines, phagocytosis, and pepsin.Here's the breakdown: eso: + phagus = esophagussphincter: + sto = sphincter sto (This is a combination, and it doesn't form a complete word. It's included as it's a given part of the puzzle.)pyloric: + lus = pyloric lus (This also doesn't form a complete word, similar to the previous example.)small: + intes = small intestinecardiac: + sphincter = cardiac sphincterappen: + dix = appendixpan: + creas = pancreasinsu: + lin = insulinbo: + tines = bootines (While not a standard word, it is a combination of the given parts)tum: + mach = tummach (This is not a standard word, and is likely a combination meant to represent stomach.)rec: + tum = rectumlon: + col = colonco: + nogen = conogen (This is not a standard word and likely a typo or part of a longer word)phagus: + di = phagocytosislus: + pepsi = luspelsi (This is not a standard word)