Anatomy of a Cockroach with Picture

Anatomy of a Cockroach

Cockroaches are the most resilient and creepy insects in the world. Do you know Cockroach Internal Anatomy structure is made in such a way that they can live nearly one week or more without the head? Therefore, it is necessary to know about roach anatomy and working system.

So if your suitable house gets infested by cockroaches, it will be beneficial for you to know about roach anatomy. But it sounds like creaky right? But believe us by understanding roach anatomy, you will help you to determine about pests types and the correct solution to be taken — details of look at more info on our other page.

Important Cockroach Body Structure Parts


Head includes a long pair of antenna, brain, substantial mouthparts, and compound eyes. The antenna helps for smelling, and vibrations, Brain used for sensing, for eating and chewing food mouth parts used and eyes have a poor vision at daytime and works powerfully at night time. That way, the cockroach is the nocturnal insect. Internal anatomy of cockroach.


Thorax consists of 3 pairs of legs, two pairs of wings and a plate behind the head. With short spiky legs, they can move around, and most adult roach have wings for the fly.


By the name you can understand it is the lower part of the roach body which mainly consist of reproductive and nerve system. These are the internal parts of a cockroach body.

How do the cockroaches breathe?

Out of 4500 spices in the world, a cockroach can breathe differently. They do not need the head for breathing. Therefore they breathe through an internal tube process is called tracheae. This tracheae system brings oxygen directly to the cells. For this reason, they are even independent of mouth breathing.

Do cockroaches have a brain?

We have already given you the information about the roach head that it can live without the head for a week. But do you ever think about how this could be possible? Yes. This is possible because they can survive through a decapitation system which human cannot.

As cockroaches are cold-blooded, and their brain does not control blood pressure and breathing system, they do not even utilize their brain. They stay quiet and sit around and dead only after affected by the bacteria or virus. Also, check out the What Do Baby Cockroaches Look Like?.

Are cockroaches clean?

This is the common question to all sufferers as it stays in a dirty dark place spreader of disease. However, you will be amazed to know that roach-like to keep clean them all the time. Though they like to live in a warm, humid place, they maintain cleanness.

Why cockroach never die?

As the roach breathing system is not depended on the mouth or brain they never die. But they died on their backs. Because when any insecticide is used it directly affects their nervous system which creates muscular spasms and it flips on its back.

Finally, this is all about cockroach anatomy and how their central body part works. Although this is a concise discussion, to remove cockroaches dramatically, it is the secret weapon.

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