Now there is a computer program for teaching slow and deep inhalation to insure that medication reaches the small airways in the lungs.

This can lead to the collapse of small airways and also make it more difficult for you to breathe.

Children have smaller airways than adults, which makes asthma especially serious for them.

At the end of expiration, therefore, there is still a slight inflation in the lungs which helps to keep the small airways open.

It causes inflammation of the bronchioles - the smallest airways in the lungs.

One possibility, she said, is that in general women have smaller lungs and smaller airways.

It tends to originate along the outer edges of the lungs in the smaller airways.

It also affects the smooth muscles of the blood vessels and the small airways of the lungs.

At each division point or generation, one airway branches into two or more smaller airways.

A rupture of a small airway creates the air-filled cavity.