MICROANATOMY

Detailed explanation-1: -In your lungs, the main airways, called bronchi, branch off into smaller and smaller passageways. The smallest airways, called bronchioles, lead to tiny air sacs called alveoli.

Detailed explanation-2: -Your bronchial tubes lead to smaller air passages called bronchi, and then into bronchioles.

Detailed explanation-3: -Outside Lungs The trachea splits into 2 bronchial tubes in your lungs. These are called the left bronchus and right bronchus. The bronchus tubes keep branching off into smaller and smaller tubes called bronchi.