short note on book gill and book lung
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A book lung is a type of respiration organused for atmospheric gas exchange that is found in many arachnids, such as scorpionsand 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 believed that book lungs evolved from book gills. Although they have a similar book-like structure, book gills are found externally, while book lungs are found internally.[5] Book gills are still found in horseshoe crabs, which have five pairs of them, the flap in front of them being the genital operculum which lacks gills. Book gills are flap-like appendages that effect gas exchange within water and seem to have their origin as modified legs.
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It is believed that book lungs evolved from book gills. Although they have a similar book-like structure, book gills are found externally, while book lungs are found internally.[5] Book gills are still found in horseshoe crabs, which have five pairs of them, the flap in front of them being the genital operculum which lacks gills. Book gills are flap-like appendages that effect gas exchange within water and seem to have their origin as modified legs.
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HEY MATE HERE IS YOUR ANSWER
a book lung is a type of respiration organ used for atmospheric gas exchange and is found in archieds such as scorpions amd spiders. the unfold pages of the book lung are filled with hemolymph.
a book Gill is a type of like appendages and their function is to absorb from water. They can also used for locomotion in young. the book gills resemble a book because each appendages contains several things like several thin leaves called lamelae.
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a book lung is a type of respiration organ used for atmospheric gas exchange and is found in archieds such as scorpions amd spiders. the unfold pages of the book lung are filled with hemolymph.
a book Gill is a type of like appendages and their function is to absorb from water. They can also used for locomotion in young. the book gills resemble a book because each appendages contains several things like several thin leaves called lamelae.
Thanks hope it will help you
PLZ MARK AS BRAINLIEST
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