How many body parts does a cockroach?

Actually in ventral view of a cockroach their are 12 parts of it:-Head-Antenna-Pro thorax-Mesothorax-Meta thorax-Middle Leg-Abdomen-Hind Leg-Compound Eye-Fore leg-wing-Anal Cercusand when it's in front their are only 3 parts:-Head-Thorax-Abdomen