Book Lungs For Respiration Are Found In
Book lung form of respiratory organ found in certain air breathing arachnid arthropods scorpions and some spiders.
Book lungs for respiration are found in. 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. In the breathing process the lungs take in oxygen from the air through inhalation. Through a small slit the air enters the cavities.
The lungs are also closely associated with the cardiovascular system as they are the sites for gas exchange between the air and the blood. Each book lung consists of an air cavity or atrial chamber on the ventral side which opens to the outer side by a slit like spiracle or stigmata that opens on the ventro lateral side of the sternum. Carbon dioxide produced by cellular respiration is in turn released through exhalation.
The book lungs are in the cavities of the abdomen. Book lungs one of the two kinds of respiratory organ compare tracheal spiracles found in spiders. Most spiders have only one lung however there are some with two.
The four pairs of book lungs are located in the third fourth fifth and sixth mesosomal segments. A book lung is a type of respiration organ used for atmospheric gas exchange that is present in many arachnids such as scorpions and spiders each of these organs is located inside an open ventral abdominal air filled cavity atrium and connects with the surroundings through a small opening for the purpose of respiration. Then oxygen passes through the blood of the spider as it circulates in the lung.
The lungs are organs of the respiratory system that allow us to take in and expel air.