Bronchiolitis is an inflammation of the small airways (bronchioles) and most often affects infants less than 2 years of age. Bronchitis causes inflammation of the bronchi (and bronchioles to a ...

It travels down the trachea – or windpipe – into one of two bronchi and into bronchioles before entering one of millions of alveoli, where gaseous exchange takes place. When we breathe out ...

a: Gross anatomy of lung and thorax. b: Microscopic anatomy of bronchial wall. C: View of terminal airway and alveoli. d: Alveolar structure.

The bronchi branch out into smaller tubes called bronchioles. At the ends of the bronchioles are little air sacs called alveoli. At the end of the alveoli are capillaries, which are tiny blood ...

When your asthma worsens, three changes occur in the bronchi and bronchioles (airways) that disrupt the flow of air to the lungs and make it hard to breathe. These changes are: Related ...

branches into tubes called bronchi, which in turn become smaller tubes throughout your lungs. Diseases that can affect these airways include: Your airways branch into tiny tubes (bronchioles) that ...