Bronchus -

Acts as a passageway for air moving from the trachea to the smaller bronchioles and eventually the alveoli for gas exchange.

The bronchial tree starts where the trachea bifurcates at a point called the . Generations of Branching: bronchus

The (plural: bronchi ) is a critical, large airway tube that branches from the trachea (windpipe) to deliver air into the lungs. These tubes are part of the conducting zone of the respiratory system, serving as the main distribution network for oxygen while filtering and moisturizing inhaled air. Anatomy and Structure Acts as a passageway for air moving from

Involuntarily controlled muscle that regulates airflow by contracting (bronchoconstriction) or relaxing (bronchodilation). bronchus

Lined with ciliated pseudostratified columnar epithelium and goblet cells that produce mucus to trap dust and pathogens. Physiological Functions