What does the bronchi does?

Answer 1

It creates smaller airways
It is where the oxygen is picked up from the blood in the lungs.
The bronchi transports the gasses from and to your lungs and it is kind of shaped like a branch.
There are two bronchi (tubes) that pass air in and out, each from their own lung to (and from) the trachea (tube), which in turn is connected to your throat.

The word 'bronchi' is pronounced bronk-eye .

The word 'trachea' is pronounced tray-key-uh
When you breath in ( inhale) the air enters the lungs through the Bronchi/Bronchus which divides up into smaller airways called BRONCHIOLES, the bronchioles send air into the inside walls of the lungs where the alveolia allow oxygen to be absorbed by the blood cells and oxygenate the blood transfer throughout the body

so basically the bronchiles send air into the inside walls of the lungs to allow the alveolia to absorbe oxygen and transfer it throughout the body

oh and the alveolus/alveolia is a air sac that holds the oxygen
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It's doing the same Thing as everything else in the respiratory.
- The bronchial tubes divide and then subdivide. By doing this their walls become thinner and have less and less cartilage. Eventually, they become a tiny group of tubes called bronchioles.
well the trachea is the passageway for air and the trachea is subdivided into 10 divisions of bronchi on the left side and 8 on the right (due to fussion of some of the bronchi) these all eventually lead into many primary bronchioles which divide into terminal bronchials which give rise to respiratory bronchioles which divide into alveolar ducts... there are 6 alveolar sacs associated with each alveolar duct and the alveolus is where gas exchange takes place in the lung. so all in all it delivers air to the broncioles which delivers air to the alveouls to allow for gas exchange.