despite the hatred that most people feel toward cockroaches they do help humans in several ways for example they are perfect experimental animals and are used for scientific research in the laboratory breeding them is easy for their thrive under almost any conditions in studies on nutrition and food cockroaches are good subject because they will eat any kind of food they can be used to study heart disease and cancer researches for work with roaches because they grow cancerous tumors like those that are found in humans.


1.what is being talked about in the passage?
2.what particular aspect about cockroaches is discussed in the passage?​