Cockroaches belong to the category of insects of the Blattodea order. Around 4,600 cockroaches are living aside human habitats. The digestion of food would take place in the cavities specialized or combined together.
Alimentary Canal Of Cockroach:
Paurometabolous growth is a gradual metamorphosis. In this type of development, the immature stages resemble small adults and usually have external wing buds. They live like adults in the same habitat and usually eat the same food.