Functions Of The Labelled Parts Of A Cockroach

The body is divisible into head thorax and abdomen. The oesophagus can contract or expand to allow for the passage of food.

Cockroach Morphology And Anatomy Of Cockroach Questions Videos

The nervous system of cockroach is spread throughout the body.

Functions of the labelled parts of a cockroach. It prefers dark warm corners of kitchens godowns underground drains and places where food and humid atmosphere are available. The junction of the mid and hind gut is marked by 60 to 70 extremely fine yellowish Malpighian tubules The tubules are excretory in function. The blood in cockroach is also called hemolymph.

Cockroaches have a long pair of antennae that help them to pick up smells and vibrations. Use this resource to allow students to label the key parts of a cockroach and identify how they differ from other animalsTags in this resource. So if the head of a cockroach is cut off it will still live for as long as one week.

Mandibles are a pair of hard strong large dark colored. Use this resource to allow students to label the key parts of a cockroach and identify how they differ from other animalsTags in this resource. Give clarification for this statement.

They have poor vision and dislike light which is why most species are nocturnal. 268 the tension of the ligament stretches out the walls of heart so that the haemolymph flows into the. These three pairs of legs have substantially different lengths and functions but they have the same parts and move the same way.

The mouthparts of cockroach are developed to suit its habit of feeding on solid food and as a result it has well developed mandibles. If the head of a cockroach is cut off it will be alive for as long as one week. The ducts of the glands and.

The oesophagus is also called the gullet is the part of the gastrointestinal system between the mouth and the stomach. The ootheca which is laid at a suitable place by the female cockroach contains fertilized eggs. The rectum opens through the anus.

Each egg first undergoes cleavage resulting in a blastula which is followed by a gastrula formation. These are slightly curved concave on one side and convex on the other. Cerci give them an advantage over predators as they seem to be sensitive to slight air movements around them.

Mesenteron also called the midgut functions mainly for digestion. The other parts of the leg approximate parts of a human leg. Labrum or the upper lip is a broad and roughly rectangular shaped structure.

Cockroaches have two small appendages on their abdomens known as the cerci which act as sensors. It connects the pharynx and the stomach. These mouthparts help the cockroach to bite and chew on hard stuffs consume soft stuffs and also lap upon liquids.

Cannibalism is a common feature among cockroaches. A cockroachs mouth can move from side to side and is capable of processing smell and taste simultaneously. Mechanism of Circulation in Cockroach.

Hypo pharynx is a tongue like structure in the floor of the mouth. The adjacent segments are joined by thin soft and flexible a rthroidal membrane. After the head comes the thorax.

TheJjfcad holds a bit of a nervous system while the rest is situated along the ventral part of its body. Published On - December 22 2020. Cockroaches are also equipped with salivary glands and an esophagus which.

It protects the body from loss of water and provides rigidity and surface for attachment of body muscles. The cockroach has an open or lacunal circulatory system that flows freely within the body cavity or hemocoel. Each contains a diploid nucleus and yolk the food for embryonic development.

Cockroach parts and its functions. A narrow tube divisible into 3 zones ileum colon and rectum. Home Uncategorized cockroach parts and its functions.

The trochanter acts like a knee and lets the roach bend its leg. It is lined with enzyme-secreting tissue and serves as the main site of digestion and absorption. The upper portion of the leg called the coxa attaches the leg to the thorax.

It is a common nocturnal omnivorous household animal which acts as a scavenger. The cockroach has three. There are a heart and aorta and the capillaries for the pumping of blood.

Americana belongs to the class Insecta of Phylum Arthropoda. The antennae are connected to the head which also includes the brain strong mouthparts for scraping and chewing food and compound eyes. All the components of the mouthparts are present without any modification.

It hangs from the front edge of the head on the lower side. When the alary muscles relax the haemolymph is forced through the ostia into the heart. The mouthparts of the cockroach include labrum mandibles maxillae and labium.

As the heart relaxes during diastole Fig. The glands and the receptacles lie on the dorsolateral aspects of the crop Fig. The contraction of alary muscles enlarges the pericardial space so that the haemolymph flows into it from the underlying perivisceral sinus.

Morphology Of Cockroach With Well Labeled Diagram