Background and Aims: This study aimed to evaluate the trends in incidence, mortality, and disability-adjusted life years (DALYs) for trachea, bronchus, and lung (TBL) cancer globally and in East Asia ...

The lower respiratory tract includes the trachea (or windpipe), the different branches of the bronchi (air passages lined with cartilage), bronchioles and the alveoli, or air sacs of the lungs.

Medically reviewed by Daniel More, MDOxygen therapy for COPD is a treatment used to increase the oxygen in your lungs and ...

Alveoli are tiny, balloon-shaped air sacs located at the end of the bronchioles, the branch-like tubes in the lungs. The alveoli move oxygen and carbon dioxide (CO 2) molecules into and out of your ...