Alveoli Lung Respiratory System

alveoli Alveoli The alveoli are the final branchings of the respiratory tree and act as the primary gas exchange units of the lung The gas-blood barrier between the

Bronchioles and alveoli Your bronchioles are some of the smallest airways in your lungs Inhaled air passes through tiny ducts from the bronchioles into alveoli Bronchioles and alveoli in the lungs In your lungs, the main airways, called bronchi, branch off into smaller and smaller passageways The smallest airways,