That’s what it can feel like to have an asthma attack ... bringing oxygen-rich air to the air sacs, or alveoli, in your lungs. And then your airways carry the waste product, carbon dioxide ...

You take deep breaths into a tube that a computer monitors to determine if you have COPD or another condition like asthma. Emphysema causes damage to the lungs’ air sacs, called alveoli.

Air pollution is a well-known risk factor for respiratory diseases such as asthma and chronic obstructive pulmonary disease ...

Alveoli At the ends of bronchioles are tiny ... intercostal muscles and diaphragm which make breathing more efficient. Asthma is a medical condition in which the lining of the airways from the ...