Question Detail
Question
In arachnids like scorpions and spiders, the respiratory organ used for atmospheric gas exchange is known as the:
Correct Answer
Option B is the correct answer.
Detailed Explanation
Book lungs are respiratory organs found in some arachnids, such as spiders and scorpions. They consist of a series of folded membranes resembling pages of a book, which facilitate gas exchange.
Hint
The name of the organ literally describes its appearance.