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Do roaches have two brains?

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Cockroaches have two brains. One is inside the skull and the other is the more primitive brain near the abdomen. Schweid said: "Pheromones, the chemical signals of sexual preparation, act between male and female cockroaches to initiate courtship and mating.



Cockroaches cut in half. Can you survive even?

"The pressure is much lower because the circulatory system is open." "After you cut off their heads, their necks coagulate. Very often it is blocked just by doing it, "he added. "There is no uncontrolled bleeding." Strong pests breathe through the spiracles, or small holes in each part of the body. 15 мар. 2007

What happens if I cut off the cockroach's head?

"Often, after cutting off the head, the neck is blocked just by coagulating," he adds. "There is no uncontrolled bleeding." In addition, strong pests breathe through the spiracles, or small holes in each part of the body.

How smart are cockroaches?

Humans have 100,000,000,000 brain cells. Cockroaches have about 1,000,000 brain cells. Drosophila, only 250,000. Still, insects have impressive information management. Insects pack neurons into the brain 10 times more densely than mammals. .. Few people can do the same with a map and a compass. 2007

Can cockroaches be crushed and killed?

If you crush a cockroach, you will die. Cockroaches release pheromones when they die, but that's a warning, not an invitation. Cockroaches avoid other dead cockroaches unless they are hungry.

Do roaches have two brains?

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