why do cockroach lie upside down (on their back) when they die?

Answer 1

so they can use their little legs to wave goodbye.

Answer 2

Firstly, few cockroaches die on their backs in the wild. Natural death of cockroaches probably occurs in the stomach of a bird, bat or other small animal.

Secondly, cockroaches are not used to living on a polished marble or vinyl floor. They are more used to a rigorous living plane including leaves and sticks and other vegetable debris. Thus when a cockroach finds itself on its back (by some mistake in its orienteering) it may have trouble righting itself if there is not debris around to grab hold of with its legs. (Try it, put a cockroach on its back on a polished floor with and without some crinkled paper.)

Third, often we come across dead cockroaches in buildings that have died of insecticide. Most of these insecticides are organophosphate nerve poisons. The nerve poison often inhibits cholinesterase, an enzyme that breaks down acetylcholine (ACh), a neurotransmitter. With extra ACh in the nervous system, the cockroach has muscular spasms which often result in the cockroach flipping on its back. Without muscular coordination the cockroach cannot right itself and eventually dies in its upside down-position.

Answer 3

A dead cockroach with stiff limbs is most stable upside down

Answer 4

They are all descendants of that famous chinese cockroach Ah Sup

Answer 5

You have successfully killed a cockroach?

Answer 6

as far as its dead i reali dont care..

Answer 7

..................? u tail me?