The excreta of cockroach and other insects is mainly composed of urea and uric acid. After reabsorption, the waste moves to the rectum and is released through anus.
What is excretory product of cockroach?
The key components of cockroach and other insect excreta are urea and uric acid. Complete solution: Deamination causes a uricotelic organism to excrete uric acid or its salts.
Does cockroach excrete urea?
Cockroach mainly excretes uric acid. Excretion of uric acid as excretory product is called as uricotelic excretion. Animals which live in dry conditions have to conserve water in their bodies. Therefore they synthesize crystals of uric acid from ammonia.
Does cockroach excrete ammonia?
2 indicates that ammonia release from the intact cockroach occurs via the rectum, being primarily associated with the faecal pellet. These results are similar to those reported by Staddon (1955)- He found that aquatic Sialis larva excrete ammonia via the rectum and not across the body surface.
What is the excretory waste of insects?
Uric acid is the main excretory waste in insects.
What is the middle part of cockroach body?
After entering the stomach of the cockroach, food is broken down by enzymes present within the gastric caecea and in the middle of the intestines is the mid-gut, which is responsible for nutrient absorption. Spiracles are visible on the sides of the cockroach’s body; these are used for breathing.
Which stores urine in cockroach?
The number of these tubules in cockroaches usually ranges from 60 to 150. The Malpighian tubules extract nitrogenous wastes and water from the body fluid (hemolymph) and form urine (an excretory solution) that passes through the rectum and leaves the animal body.
What is the function of collateral glands in cockroach?
The female cockroach has two collateral glands that form a hard egg case around the egg called ootheca. This ootheca is made up of protein structures and the agents that cause the protein to get harder around the eggs, for their protection.
What is common in male and female cockroach?
|Male Cockroach||Female Cockroach|
|The male cockroaches’ antennae are smaller than the females’.||The antennae are relatively bigger than males’.|
|There are Anal styles.||There are no anal styles.|
|The male cockroach abdomen is slender.||The female cockroach’s abdomen is shaped like a boat and is blunt.|
How do flatworms excrete?
In flatworms, excretion is accomplished by the epithelial lining of the gut, by the body wall, by exocytosis of vesicles, and by protonephridia. … The Catenulida are the only flatworms that have an unpaired protonephridial system and a unique terminal cell type.