what are book lungs and where are they found?
Answers
A book lung is a type of respiration organ used for atmospheric gas exchange that is found in many arachnids, such as scorpions and spiders. Each of these organs is found inside an open ventral abdominal, air-filled cavity (atrium) and connects with the surroundings through a small opening for the purpose of respiration. it is found in spiders etc .
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Book lungs and its location:
The book lungs are nothing but organs of respiration which is used for atmospheric gas exchange. Usually such organ is found in spiders and scorpions.
Explanation:
The name is obtained due the structural appearance. Piles of rotating air pockets and tissue loaded up with hemolymph (which might be compared to blood) give them an appearance like a "folded” book. Small opening is used for respiration.