👉 Bronchioles, also known as bronchi, are small airways that lead from the lower part of the lungs to the trachea. They play a crucial role in the respiratory system by allowing air to flow through and filter out dust, mucus, and other particles. In terms of the term "bronchial," it refers specifically to the smaller airways within these bronchioles that are responsible for breathing in oxygenated air. These tiny tubes are lined with纤毛细胞,