Q. Which of the following respiratory organs are present in spiders and scorpions?
A) Book lungs
B) Gills
C) Gill books
D) Lungs
Explanation
Book lungs are named so because their folds resemble the leaves in a book. In this, the exchange of gases takes place between the interlamellar spaces and the venous blood through the thin membranous walls of the lamellae.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.