Cockroaches are members of the class Insecta and the phylum Arthropoda. Their eyes are made of ommatidia, clusters of photoreceptor cells. They have a heart that is funnel-shaped and contains 13 chambers. Their heart pumps blood all over the body. They also have spiracles for respiration.
Cockroaches are in the Blattodea order, which has over 4600 different species. While sharks have a long and slender cartilaginous endoskeleton, cockroaches lack this structure. A cockroach’s naked skin and a lack of bones and muscles also distinguish it from a shark.
In addition to producing an unpleasant odor, cockroaches can also carry diseases such as Salmonella typhimurium and Entamoeba histolytica. Consequently, cockroach control can be a challenging task. But there are some tips that can help you get a good handle on your cockroach problems. You can start by keeping your house clean and organizing.