Lungs have a large number of narrow tubes called

Food does not normally enter the trachea because during swallowing of food

If a tiny particle is placed in the pore of a stoma,what will happen?

The lungs are composed of $........$.

Analogy type questions:
$(1)$ Sponges,Coelenterates : Respiration through entire body surface :: Insects : ....
$(2)$ Larynx : Cartilaginous box :: Epiglottis : .......

Which of the following has the most well-developed respiratory system?