the trachea also known as the wind wipe joins to the two bronchus which enter each lung.
The bronchus gets gradually smaller until they become the bronchioles, these then terminate at the alveoli.
Lungs.
Lungs
The macro structures of the lungs are what you can see. They would be the lobes of the lungs, bronchi, large blood vessels, lymph nodes and bronchioles. The micro structures are one you can not see without a microscope. That would be the vey small bronchioles, capillaries and the alveoli.
diaphragm.
The lungs.
alveoli
lungs
one of them are the gills of fish.hope this helps.
ribs and bones
The diaphragm
lobes, left has 2 and the right has 3
lungs, nose and mouth.