Besides mammals,diaphragm also occurs in

The largest cartilage of the larynx is an example of which type of cartilage?

The nasal cavity and the oral cavity are separated from each other by the:

$A$ pair of small lymphatic tissue present at the sides of the root of the tongue is called as:

The lungs of humans and rabbits are . . . . . . .

The figure shows a diagrammatic view of the human respiratory system with labels $A, B, C$,and $D$. Select the option which gives the correct identification and main function and/or characteristic.