In which of the following animals does the diaphragm play no role in respiration?

Different types of respiratory organs like gills,book gills,book lungs and trachea are present in

In insects,respiratory gas exchange occurs through

Which is the respiratory organ of a silkworm?

Match List-$I$ with List-$II$ regarding the respiratory organs/mechanisms in different organisms:

List-$I$	List-$II$
$A$. Molluscs	$I$. Pulmonary respiration
$B$. Reptiles	$II$. Branchial respiration
$C$. Adult amphibians	$III$. Cellular respiration
$D$. Amoeba	$IV$. Pulmonary and Cutaneous respiration

Choose the correct answer from the options given below:

Which group of animals respire through lungs?