Question Detail
Question
The ______ is a type of respiratory organ used for atmospheric gas exchange, found in arachnids, such as scorpions and spiders.
Correct Answer
Option C is the correct answer.
Detailed Explanation
Book lungs are specialized respiratory organs found in arachnids (spiders, scorpions). They consist of a series of highly vascularized, leaf-like plates (lamellae) arranged like the pages of a book, maximizing surface area for gas exchange. Trachea and spiracles are typically found in insects, while gills are for aquatic respiration.
Hint
Focus on the specific animal group mentioned: arachnids.