Question
Biology Question on Exchange Of Gases
Which of the following respiratory organ is present in spiders and scorpions ?
A
Book lungs
B
Gills
C
Gills & Lungs
D
Lungs
Answer
Book lungs
Explanation
Solution
Book lungs are so named because their folds resembles the leaves of books. In this, the exchange of gases takes place between the interlamellar spaces and the venous blood through the thin membranous walls of the lamellae.