Explain the
bronchial intercom
presen
inside the lungs.
Answers
Answer:
The bronchial mucosa is made of pseudostratified ciliated columnar epithelium with goblet cells and basal cells. Goblet cells are devoid of apical cilia and are responsible for secretion of mucin. The density of goblet cells progressively decreases from the periphery and disappears at the level of terminal bronchioles.
Explanation:
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A bronchus is a passage or airway in the respiratory system that conducts air into the lungs. The first bronchi to branch from the trachea are the right main bronchus and the left main bronchus, also known as the primary bronchi. These are the widest and enter the lungs at each hilum, where they branch into narrower secondary bronchi or lobar bronchi, and these branch into narrower tertiary bronchi or segmental bronchi. Further divisions of the segmental bronchi are known as 4th order, 5th order, and 6th order segmental bronchi, or grouped together as subsegmental bronchi.The bronchi when too narrow to be supported by cartilage are known as bronchioles. No gas exchange takes place in the bronchi.