AFMC AFMC Solved Paper-2009

  • question_answer
    Which of the following respiratory organs are present in spiders and scorpions?

    A) Book lungs                         

    B) Gills

    C) Gill books                           

    D) Lungs

    Correct Answer: A

    Solution :

                    Book lungs are named so because their folds resemble the leaves in a book. In this, the exchange of gases takes place between the air of interlamellar spaces and the venous blood through the thin membranous walls of the lamellae.


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