The upper airway :
hairs in the nose, mucus in the trachea & bronchia, the vocal cords (turbulence drives dust to the outside if the air flow)
The actual air exchange takes place in the alveoli of the lungs
It takes place between the alveoli and the blood capillaries
In the lungs are small air sacs called alveoli. These alveoli are covered with blood capillaries. Oxygen and Carbon Dioxide diffuse through the alveolar capillary membrane. Oxygen diffuses from the alveoli to the blood capillary and carbon dioxide diffuses from the capillary to the alveoli and you breath it out of your body.
The passage way is Bronchi to Bronchioles then alveoli to alveolar ducts and exchange of gasses occurs in alveoli. So Answer is No..bronchi not goes directly to alveoli.
Human gas-exchange occurs in the lungs. Once air enters the lungs, diffusion of O2 and CO2 occurs in the alveoli.
I think that it protects them because they like swish them about and make them covered by a mucusy layer which then protects them further called bronchilus. this eventully stops any damage at all in the alveoli
Alveoli
alveoli
Alveoli alveoli - air sacs in your lungs
Alveoli
The humorus
alveoli take co2 from
the alveoli is happen the blood
Alveoli (pulmonis) or just alveoli.
There are hundreds of thousands of alveoli.
Alveoli are expanded chambers of epithelial tissue which form the gas exchange surfaces of the lungs. Multiple alveoli share a common duct forming alveoli sacs.
The actual air exchange takes place in the alveoli of the lungs