Translator's pet peeve: Artists who use the simplified Chinese for the radical "mon."
Tagged this anatomy, assuming a textual description will do even when internal anatomy isn't shown.
Her abdomen has abdominal plates.She can dislocate and separate the joints of her lower jaw, clavicle, ribs, and breastbone to make swallowing things whole easy.The scales in the valley of her ass are very sensitive when peeled back a little. That make it a weak-point, sexually speaking.There is no anus in the back. General excretion is handled by an orifice in the front of her body.
Reptiles and birds use a single orifice for eliminating urine & solids called a cloaca. This is also where the genitals are kept.