Book Lungs Are Found In Cockroach

Terrestrial animals must possess.

Book lungs are found in cockroach. Jointed legs and chitiinous exoskeleton. Options a compound eyes and anal cerci b jointed legs and chitiinous exoskeleton c green gland and tracheae d book lungs and antennae. In arthropods these are book lungs scorpion and trachea insects.

Two common characters found in centipede cockroach and crab are. When oxygen rich air enters into the body of the cockroach via spiracles into the tracheal tubes it diffuses into various tissues and cells of the body. Like other insects cockroaches have tracheae which are tubes that are attached to spiracles holes on the surface.

These are regarded as the modified abdominal appendages. The book lungs are best seen in scorpionids and spiders fig. They are located in the abdomen just below the pedicel and are composed of many fine leaves.

Respiratory organs of cockroach are called a maxillae b spiracles c mandibles d labrum. The trachea is a dense array of a network of air tubes found in the internal system. These are blind sacs which originate from the evaginations of opisthosoma.

Lung fishes also have air breathing organs. Each book lung consists of a series of thin plates that are highly vascular i e richly supplied with blood and are arranged in relation to each other like the pages of a book. Tracheae are known to balance the pressure inside the system.

Book lungs one of the two kinds of respiratory organ compare tracheal spiracles found in spiders. Blood is passed over a large surface area to absorb oxygen. In mollusca pila it is called pulmonary sac.