Why are these groups specifically distinguished? What does this question mean?

Is there a diagram i can see too answer

I think you meant to send a photo, if not I can’t understand

If you under eat, your bones will narrow.

Air goes past the epiglottis and into the trachea when you breathe in. from there, it goes to your vocal cords in the larynx until it reaches the bronchi. from the bronchi, air passes into each lung.