the respiratory organ of king crab is called book gills. why?

Dear student

Kindly refer the solution of asked query below

They are called book gills because they are composed of numerous membranous structures arranged like leaves of the book resembling the closed book. Their main function is exchange of gases..

​Hope this information clears your doubt about the said topic.


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Human have book lungs but crab which lives in water respire through lungs called book lungs
  • -1
that okk @ hima but y is it called book gills 
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