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Which of the following respiratory organs are present in spiders and scorpions? |
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a) |
Book lungs |
b) |
Gills |
c) |
Gill books |
d) |
Lungs |
|
Which of the following respiratory organs are present in spiders and scorpions? |
|||||||
|
a) |
Book lungs |
b) |
Gills |
c) |
Gill books |
d) |
Lungs |
(a)
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.