Question
Book lungs are respiratory organs of
Book lungs are respiratory organs of
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Solution
The correct option is B Arachnida
Two types of respiratory organs are found among arachnids: book lungs and tracheae. Book lungs are found in hardened pockets generally located on the underside of the abdomen. Diffusion of gases occurs between the hemolymph circulating within thin leaf like structures (lamellae) stacked like pages in a book within the pocket and the air in spaces between these thin structures.
Two types of respiratory organs are found among arachnids: book lungs and tracheae. Book lungs are found in hardened pockets generally located on the underside of the abdomen. Diffusion of gases occurs between the hemolymph circulating within thin leaf like structures (lamellae) stacked like pages in a book within the pocket and the air in spaces between these thin structures.
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